Terri Irwin tearfully admits she's never gotten over the grief of husband Steve's death

It's been more than a decade since Crocodile Hunter star Steve Irwin died, and his wife Terri is still dealing with the heartbreaking tragedy.

In a new interview with Australian star Anh Do's ABC show, Anh's Brush With Fame, 53-year-old Terri breaks down while talking about the moment she was told Steve had died. The beloved conservationist died in 2006 when he was stabbed in the heart by a stingray while filming an underwater documentary film called Ocean's Deadliest. He was 44 years old.

"The thing I didn't expect or understand was just how it affected everyone," Terri says, breaking down in tears.

Terri also shares that she's still sometimes overcome by sadness when thinking about her late husband.

See photos of the couple together:

13 PHOTOS
Terri Irwin and Steve Irwin together throughout their relationship
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Terri Irwin and Steve Irwin together throughout their relationship
SUNSHINE COAST, AUSTRALIA - 1993: (EUROPE AND AUSTRALASIA OUT) 'Crocodile Hunter' Steve Irwin and his wife, Terri Irwin, and 'Jonathon' the Green Iguana at Australia Zoo in Queensland. (Photo by Newspix/Getty Images)
Terri Irwin and Steve Irwin, The Crocodile Hunter during 2002 ShoWest Opening Day Luncheon at Paris Hotel in Las Vegas, Nevada, United States. (Photo by Denise Truscello/WireImage)
SAN FRANCISCO - JUNE 26: ***EXCLUSIVE*** 'The Crocodile Hunter', Steve Irwin, (R) shows a snake to his wife Terri (L) at the San Francisco Zoo on June 26, 2002 in San Francisco, California. Irwin is on a 3-week tour to promote the release of his first feature film, 'The Crocodile Hunter: Collision Course' is due in theaters July 12th. (Photo by Justin Sullivan/Getty Images)
Steve Irwin, Terri Irwin & daughter Bindi Irwin at the Arclight Cinerama Dome in Hollywood, California (Photo by Steve Granitz/WireImage)
Steve Irwin, Terri Irwin & daughter Bindi Irwin (Photo by Steve Granitz/WireImage)
Steve Irwin with wife Terri Irwin and daughter Bindi Irwin (Photo by Justin Kahn/WireImage)
Steve Irwin with his wife Terri and daughter Bindi (Photo by John Stanton/WireImage)
SYDNEY, NSW - SEPTEMBER 9, 2002: (EUROPE AND AUSTRALASIA OUT) Steve Irwin and his wife, Terri Irwin, in Sydney to promote their first feature film 'The Crocodile Hunter: Collision Course'. (Photo by Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - DECEMBER 14, 2002: (EUROPE AND AUSTRALASIA OUT) 'Crocodile Hunter' Steve Irwin with his wife Terri Irwin, and daughter Bindi Irwin, and a baby crocodile at Australia Zoo in Queensland. (Photo by Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - NOVEMBER November 20, 2003: (EUROPE AND AUSTRALASIA OUT) 'Crocodile Hunter' Steve Irwin, who is Queensland's Australian of the Year 2004 state finalist, is congratulated by his daughter Bindi Irwin and wife Terri Irwin at Australia Zoo. (Photo by Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - JANUARY 2: (EUROPE AND AUSTRALASIA OUT) Steve Irwin and wife Terri, with daughter Bindi and baby son Bob, at a blessing ceremony by Tibetan Buddhist nuns, for the Irwin youngster. (Photo by Graeme Parkes/Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - DECEMBER 1, 2005: (EUROPE AND AUSTRALASIA OUT) 'Crocodile Hunter' Steve Irwin, with his wife Terri Irwin, daughter Bindi Irwin, and son Bob Irwin, on Bob's 2nd birthday, at Australia Zoo sign at Beerwah on the Sunshine Coast. (Photo by Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - JANUARY 3: (EUROPE AND AUSTRALASIA OUT) Steve Irwin with wife Terri, daughter Bindi & father gives a press conference outside his Australia Zoo at Beerwah on the Sunshine Coast defending his actions in taking son Bob (1 mth) into fenced crocodile enclosure on January 2, 2004. (Photo by Graeme Parkes/Newspix/Getty Images)
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"Grief hits you at the most bizarre times," she continues in the interview (quotes via The Daily Mail). "So, I might be talking to biology students and it will remind me of Steve and I will burst into tears." 

"You don't ever get over grief," she adds. "It changes, but you never wake up one morning and go, 'Oh, I'm done with that.' That was the challenge in the journey after Steve died."

Terri says that without a doubt, Steve was her "soulmate," and that they fell instantly in love after meeting one another. They tied the knot in 1992.

"In the 10 years since [his death], I haven't dated or even thought about it," she reveals. "Because I'm not afraid to be on my own. I always felt with Steve, if I hadn't married Steve I wouldn't have gotten married."

"I'm just lonely for Steve," she says at one point.

The couple shared two children together, 19-year-old daughter Bindi and 14-year-old son Robert. Bindi was only eight years old at the time of her father's death, while Robert was two. 

See more photos of Steve Irwin:

46 PHOTOS
Steve Irwin: The Crocodile Hunter
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Steve Irwin: The Crocodile Hunter
STEVE IRWIN, Australian zookeeper and conservationist, has become a media starÂwith his cable TV show, animation spots, advertisements, and now a feature film, collision course. Photo of Irwin on a promotional junket in Los Angeles, June 28, 2002 appearing on The Tonight Show with Jay Leno and a real live Aligator. (Photo by Ken Hively/Los Angeles Times via Getty Images)
STEVE IRWIN, Australian zookeeper and conservationist, has become a media starÂwith his cable TV show, animation spots, advertisements, and now a feature film, collision course. Photo of Irwin on a promotional junket in Los Angeles, June 28, 2002 appearing on The Tonight Show with Jay Leno and a real live Aligator. (Photo by Ken Hively/Los Angeles Times via Getty Images)
STEVE IRWIN, Australian zookeeper and conservationist, has become a media starÂwith his cable TV show, animation spots, advertisements, and now a feature film, collision course. Photo of Irwin on a promotional junket in Los Angeles, June 28, 2002 appearing on The Tonight Show with Jay Leno and a real live Aligator. (Photo by Ken Hively/Los Angeles Times via Getty Images)
(NO TABLOIDS) Terry Irwin and Steve Irwin talk about their film 'Crocodile Hunter: Collision Course' at 2002 ShoWest in Las Vegas, Nevada. during 2002 ShoWest Press Conference With Steve Irwin at the Paris Hotel in Las Vegas, Nevada. (Photo by Denise
(NO TABLOIDS) Bruce Willis and Steve Irwin, The Crocodile Hunter during 2002 ShoWest Opening Day Luncheon at the Paris Hotel in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
(NO TABLOIDS) Bruce Willis and Steve Irwin, the Crocodile Hunter during 2002 ShoWest Opening Day Luncheon at the Paris Hotel in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
THE TONIGHT SHOW WITH JAY LENO -- Episode 2061 -- Pictured: (l-r) Wildlife expert Steve Irwin during a segment with host Jay Leno on May 17, 2001 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 2061 -- Pictured: (l-r) Host Jay Leno and wildlife expert Steve Irwin with a crocodile on May 17, 2001 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 1941 -- Pictured: (l-r) Actor Tobey Maguire, Australian wildlife expert Steve Irwin with host Jay Leno handling a snake on November 14, 2000 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 1695-- Pictured: (l-r) Steve Irwin and host Jay Leno feed a large bird on October 6, 1999 (Photo by NBC/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 1695-- Pictured: (l-r) Wildlife expert Steve Irwin with a tarantula during an interview with host Jay Leno on October 6, 1999 (Photo by NBC/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 1435 -- Pictured: (l-r) The 'Crocodile Hunter' Steve Irwin during an interview with host Jay Leno on August 14, 1998 (Photo by Margaret Norton/NBC/NBCU Photo Bank via Getty Images)
BEERWAH, AUSTRALIA - SEPTEMBER 05: (FILE PHOTO) A 1996 file photo shows Steve Irwin, known as the Crocodile Hunter, at his Australia Zoo in 1996 in Beerwah, on the Sunshine Coast, Australia. Irwin died September 4, 2006 after being stabbed in the heart by a stingray's barb while diving off Port Douglas in the northern Australia state of Queensland, police said. (Photo by Lisa Maree Williams/Getty Images)
BEERWAH, AUSTRALIA - SEPTEMBER 05: (FILE PHOTO) A 1996 file photo shows Steve Irwin, known as the Crocodile Hunter, at his Australia Zoo in 1996 in Beerwah, on the Sunshine Coast, Australia. Irwin died September 4, 2006 after being stabbed in the heart by a stingray's barb while diving off Port Douglas in the northern Australia state of Queensland, police said. (Photo by Lisa Maree Williams/Getty Images)
SUNSHINE COAST, AUSTRALIA - 1993: (EUROPE AND AUSTRALASIA OUT) 'Crocodile Hunter' Steve Irwin and his wife, Terri Irwin, and 'Jonathon' the Green Iguana at Australia Zoo in Queensland. (Photo by Newspix/Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 2222 -- Pictured: (l-r) Host Jay Leno and wildlife expert Steve Irwin on March 6, 2002 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
Terri Irwin and Steve Irwin, The Crocodile Hunter during 2002 ShoWest Opening Day Luncheon at Paris Hotel in Las Vegas, Nevada, United States. (Photo by Denise Truscello/WireImage)
Terri Irwin and Steve Irwin, The Crocodile Hunter during 2002 ShoWest Opening Day Luncheon at Paris Hotel in Las Vegas, Nevada, United States. (Photo by Denise Truscello/WireImage)
Steve Irwin, The Crocodile Hunter, with Bruce Willis (Photo by Denise Truscello/WireImage)
Steve Irwin during Nickelodeon's 15th Annual Kids Choice Awards - Press Room at Barker Hanger in Santa Monica, California, United States. (Photo by SGranitz/WireImage)
Steve Irwin during Nickelodeon's 15th Annual Kids Choice Awards - Press Room at Barker Hanger in Santa Monica, California, United States. (Photo by SGranitz/WireImage)
Steve Irwin and Will Smith during Nickelodeon's 15th Annual Kids Choice Awards - Backstage at Barker Hangar in Santa Monica, California, United States. (Photo by KMazur/WireImage)
Steve Irwin and Jessica Alba during Nickelodeon's 15th Annual Kids Choice Awards - Backstage at Barker Hangar in Santa Monica, California, United States. (Photo by KMazur/WireImage)
SAN FRANCISCO - JUNE 26: ***EXCLUSIVE*** 'The Crocodile Hunter', Steve Irwin, poses with a three foot long alligator at the San Francisco Zoo on June 26, 2002 in San Francisco, California. Irwin is on a 3-week tour to promote the release of his first feature film, 'The Crocodile Hunter: Collision Course', due in theaters July 12th. (Photo by Justin Sullivan/Getty Images)
SAN FRANCISCO - JUNE 26: ***EXCLUSIVE*** 'The Crocodile Hunter', Steve Irwin, (R) shows a snake to his wife Terri (L) at the San Francisco Zoo on June 26, 2002 in San Francisco, California. Irwin is on a 3-week tour to promote the release of his first feature film, 'The Crocodile Hunter: Collision Course' is due in theaters July 12th. (Photo by Justin Sullivan/Getty Images)
SAN FRANCISCO - JUNE 26: ***EXCLUSIVE*** 'The Crocodile Hunter', Steve Irwin, poses with a three foot long alligator at the San Francisco Zoo on June 26, 2002 in San Francisco, California. Irwin is on a 3-week tour to promote the release of his first feature film, 'The Crocodile Hunter: Collision Course' is due in theaters July 12th. (Photo by Justin Sullivan/Getty Images)
Steve Irwin, Terri Irwin, and daughter at the Arclight Cinerama Dome in Hollywood, California (Photo by Ron Galella/WireImage)
Steve Irwin, Terri Irwin & daughter during 'The Crocodile Hunter: Collision Course' Premiere at Arclight Cinerama Dome in Hollywood, California, United States. (Photo by SGranitz/WireImage)
Steve Irwin, Terri Irwin & daughter Bindi Irwin during 'The Crocodile Hunter: Collision Course' Premiere at Arclight Cinerama Dome in Hollywood, California, United States. (Photo by SGranitz/WireImage)
Steve Irwin with wife Terri Irwin and daughter Bindi Irwin (Photo by Justin Kahn/WireImage)
BURBANK, CA - FEBRUARY 4: TV's 'Crocodile Hunter' Steve Irwin (L) wraps an anaconda snake around host Jay Leno on 'The Tonight Show with Jay Leno' at the NBC studios February 4, 2003 in Burbank, California. (Photo by Kevin Winter/Getty Images)
Steve Irwin with his wife Terri and daughter Bindi (Photo by John Stanton/WireImage)
Steve Irwin with his wife Terri and daughter Bindi (Photo by John Stanton/WireImage)
Steve Irwin with his wife Terri and daughter Bindi (Photo by John Stanton/WireImage)
(AUSTRALIA & NEW ZEALAND OUT) Steve and Terri Irwin pose for a photograph at the Botanic Gardens restaurant in Sydney, while promoting their new movie 'The Crocodile Hunter', 9 September 2002. SMH Picture by SEAN DAVEY (Photo by Fairfax Media/Fairfax Media via Getty Images)
SUNSHINE COAST, AUSTRALIA - JANUARY 3: (EUROPE AND AUSTRALASIA OUT) Steve Irwin with wife Terri, daughter Bindi & father gives a press conference outside his Australia Zoo at Beerwah on the Sunshine Coast defending his actions in taking son Bob (1 mth) into fenced crocodile enclosure on January 2, 2004. (Photo by Graeme Parkes/Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - JANUARY 2: (EUROPE AND AUSTRALASIA OUT) Steve Irwin and wife Terri, with daughter Bindi and baby son Bob, at a blessing ceremony by Tibetan Buddhist nuns, for the Irwin youngster. (Photo by Graeme Parkes/Newspix/Getty Images)
AUSTRALIA - NOVEMBER 20: (EUROPE AND AUSTRALASIA OUT) Steve Irwin, who is Queensland's Australian of the Year 2004 state finalist, is congratulated by his daughter Bindi Irwin and wife Terri Irwin. (Photo by Nathan Richter/Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - JANUARY 3: (EUROPE AND AUSTRALASIA OUT) Steve Irwin and daughter Bindi gives a press conference outside his Australia Zoo at Beerwah on the Sunshine Coast defending his actions in taking son Bob (1 mth) into fenced crocodile enclosure on January 2, 2004. (Photo by Graeme Parkes/Newspix/Getty Images)
Steve Irwin during The 78th Annual Macy's Thanksgiving Day Parade at Manhattan in New York City, New York, United States. (Photo by David Pomponio/FilmMagic)
THE TONIGHT SHOW WITH JAY LENO -- Episode 2879 -- Pictured: (l-r) Wildlife expert Steve Irwin during an interview with host Jay Leno on February 18, 2005 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
SUNSHINE COAST, AUSTRALIA - DECEMBER 1, 2005: (EUROPE AND AUSTRALASIA OUT) 'Crocodile Hunter' Steve Irwin, with his wife Terri Irwin, daughter Bindi Irwin, and son Bob Irwin, on Bob's 2nd birthday, at Australia Zoo sign at Beerwah on the Sunshine Coast. (Photo by Newspix/Getty Images)
Steve Irwin during G'Day LA: Australia Week 2006 - Penfolds Icon Gala Dinner - Arrivals in Los Angelees, California, United States. (Photo by SGranitz/WireImage)
©2006 RAMEY PHOTO Australian actor Hugh Jackman (L) and Steve Irwin, the crocodile hunter, give thumbs up as they arrive for the Penfolds Icon Gala Dinner at the Hollywood Palladium in Los Angeles, California January 14, 2006. The event brings together and honors Australians who have made significant international contributions across various industries. Jackman received the Excellence in Entertainment award. 01/14/06 JR (Photo by ©2006 Phil Ramey/RameyPix/Corbis via Getty Images)
BEERWAH, AUSTRALIA - JUNE 19: Steve Irwin poses with his family at Australia Zoo June 19, 2006 in Beerwah, Australia. (Photo by Australia Zoo via Getty Images)
BEERWAH, AUSTRALIA - AUGUST 02: Steve Irwin poses with his son Bob at Australia Zoo August 2, 2006 in Beerwah, Australia. (Photo by Australia Zoo via Getty Images)
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"I just remember this incredible sense of responsibility," Terri says, recalling having to tell their children of Steve's death. "This feeling of overwhelming grief but, it was like, 'What do I do next?'"

Though nothing could prepare Terri for the overwhelming support she received from his fans around the world.

"But then no one would have been more surprised than Steve at that, just outpouring of grief and love," she says.

ET spoke with the Irwin family at the Steve Irwin Gala in May, and they opened up about how Steve would react to Bindi's longtime boyfriend, Chandler Powell.

"I hope he’d like Chandler. I think he would," Bindi said. "I mean, Chandler’s wonderful."

"Dad always used to say, ‘If you’re gonna date a guy, he has to cross the croc pond first,'" she added. "And thankfully, Chandler's a wakeboarder. So you know what? Wakeboarding across the pond, I’m sure he would have passed the test."

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