Goldie Hawn gushes over Kurt Russell: 'The grass can look greener on the other side, but it never did to me'

Goldie Hawn and Kurt Russell are unlike any other couple in Hollywood.

The 71-year-old actress and her 66-year-old beau have been together for over 30 years, and their love is stronger than ever.

"He is a fascinating, brilliant, complex, mad man" Hawn expressed on NBC’s Megyn Kelly TODAY on Wednesday. "Sexy, sexual, which I think is very important, by the way. Often times, the grass can look really greener on the other side, but it never did to me."

The couple began dating while shooting their romantic WWII period drama Swing Shift in 1983 and have been together ever since -- yet never married.

See photos of Goldie Hawn and Kurt Russell:

18 PHOTOS
Goldie Hawn and Kurt Russell
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Goldie Hawn and Kurt Russell
HOLLYWOOD, CA - APRIL 19: Actor Kurt Russell and actress Goldie Hawn attend the premiere of 'Guardians of the Galaxy Vol. 2' at Dolby Theatre on April 19, 2017 in Hollywood, California. (Photo by Jason LaVeris/FilmMagic)
BEVERLY HILLS, CA - JANUARY 08: Goldie Hawn, Kurt Russell arrives at the 74th Annual Golden Globe Awards at The Beverly Hilton Hotel on January 8, 2017 in Beverly Hills, California. (Photo by Steve Granitz/WireImage)
LOS ANGELES, CA - NOVEMBER 25: Goldie Hawn and Kurt Russell are seen on November 25, 2016 in Los Angeles, California. (Photo by BG004/Bauer-Griffin/GC Images)
BEVERLY HILLS, CA - MAY 06: Kurt Russell and Goldie Hawn attend Annual Goldie's Love In For Kids hosted by Goldie Hawn at Ron Burkle's Green Acres Estate on May 6, 2016 in Beverly Hills, California. (Photo by Todd Williamson/Getty Images)
LOS ANGELES, CA - SEPTEMBER 25: Actors Goldie Hawn (L) and Kurt Russell attend the Remembering Pavarotti Benefit Concert and Gala featuring Andrea Bocelli and Renee Fleming at The Music Center on September 25, 2015 in Los Angeles, California. (Photo by David Livingston/Getty Images)
CULVER CITY, CA - MAY 02: Actress Goldie Hawn and actor Kurt Russell attend the Mattel Children's Hospital UCLA Kaleidoscope Ball at 3LABS on May 2, 2015 in Culver City, California. (Photo by Jason LaVeris/FilmMagic)
BEVERLY HILLS, CA - NOVEMBER 21: Hosts Kurt Russell (L) and Goldie Hawn attend Goldie Hawn's inaugural 'Love In For Kids' benefiting the Hawn Foundation's MindUp program transforming children's lives for greater success at Ron Burkle�s Green Acres Estate on November 21, 2014 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images for The Hawn Foundation)
CULVER CITY, CA - NOVEMBER 08: Actor Kurt Russell and actress Goldie Hawn attend the 2014 Baby2Baby gala at The Book Bindery on November 8, 2014 in Culver City, California. (Photo by Jason LaVeris/FilmMagic)
372885 01: UNDATED FILE PHOTO: Kurt Russell and Goldie Hawn. (Photo by Diane Freed)
380460 03: (USA ONLY) Actors Goldie Hawn and her partner Kurt Russell attend the Womens Sports Foundation Annual Gala October 16, 2000 at the Waldorf-Astoria Hotel in New York, NY. (Photo by Newsmakers)
09/21. Kurt Russel and Goldie Hawn arrive at Tom Cruise Ball
LOS ANGELES - FEBRUARY 2: Actress Goldie Hawn and actor Kurt Russell arrive at the premiere of Disneys' 'Miracle' at the El Capitan Theatre February 2, 2004 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
HOLLYWOOD, CA - MARCH 02: Goldie Hawn and Kurt Russell arrives at the 86th Annual Academy Awards at Hollywood & Highland Center on March 2, 2014 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - DECEMBER 12: Actress Goldie Hawn and actor Kurt Russell attend the amfAR Inspiration Gala at Milk Studios on December 12, 2013 in Hollywood, California. (Photo by Jason LaVeris/FilmMagic)
NEW YORK, NY - SEPTEMBER 25: Goldie Hawn and Kurt Russell attend the DuJour X The Hawn Foundation Celebration at Espace on September 25, 2013 in New York City. (Photo by Charles Norfleet/FilmMagic)
NEW YORK, NY - SEPTEMBER 22: Goldie Hawn and Kurt Russell pose backstage at 'Kinky Boots' on Broadway at The Hirshfeld Theater on September 22, 2013 in New York City. (Photo by Bruce Glikas/FilmMagic)
LONDON, UNITED KINGDOM - NOVEMBER 11: Kurt Russell and Goldie Hawn sighting on November 11, 2011 in London, England. (Photo by Niki Nikolova/FilmMagic)
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RELATED: Kurt Russell Can't Keep His Cool Watching Goldie Hawn Hug a Tree -- See the Pic!

The Oscar winner also opened up about being a famous mother and spending time with her family.

"It is not hard being famous, but it is hard mothering correctly," Hawn confessed. "That’s hard, because you don’t want to make a mistake, and we will and we do."

"We laugh a lot and we are a fun family. And we love to be together. We love it. I mean, it is like our favorite thing ever," she added.

RELATED: Goldie Hawn Reveals Kurt Russell Has Taken Nude Photos of Her While Playing 'Never Have I Ever' on 'Ellen'

Earlier this year, Hawn and Russell received side-by-side stars on the Hollywood Walk of Fame.

ET chatted with the lovebirds at their celebration, where they talked about how they constantly strive to make their relationship better.

"You can't just go along and say, '[This] is the way I am, so whatever,'" Hawn shared. "No, you really try and be better and better."

24 PHOTOS
Kurt Russell and Goldie Hawn at their Hollywood Walk of Fame ceremony
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Kurt Russell and Goldie Hawn at their Hollywood Walk of Fame ceremony
HOLLYWOOD, CA - MAY 04: Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Goldie Hawn and Kurt Russell attends the ceremony honoring Goldie Hawn and Kurt Russell with a Star on The Hollywood Walk of Fame held on May 4, 2017 in Hollywood, California. (Photo by Michael Tran/FilmMagic)
HOLLYWOOD, CA - MAY 04: Goldie Hawn and Kurt Russell attends the ceremony honoring Goldie Hawn and Kurt Russell with a Star on The Hollywood Walk of Fame held on May 4, 2017 in Hollywood, California. (Photo by Michael Tran/FilmMagic)
HOLLYWOOD, CA - MAY 04: Goldie Hawn and Kurt Russell attends the ceremony honoring Goldie Hawn and Kurt Russell with a Star on The Hollywood Walk of Fame held on May 4, 2017 in Hollywood, California. (Photo by Michael Tran/FilmMagic)
HOLLYWOOD, CA - MAY 04: Reese Witherspoon and Goldie Hawn at the ceremony honoring Goldie Hawn and Kurt Russell with a Star on The Hollywood Walk of Fame held on May 4, 2017 in Hollywood, California. (Photo by Michael Tran/FilmMagic)
HOLLYWOOD, CA - MAY 04: Kate Hudson attends the ceremony honoring Goldie Hawn and Kurt Russell with a Star on The Hollywood Walk of Fame held on May 4, 2017 in Hollywood, California. (Photo by Michael Tran/FilmMagic)
HOLLYWOOD, CA - MAY 04: Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Director Quentin Tarantino, Honoree Goldie Hawn and actor Kate Hudson (L-R bottom) Los Angeles Councilmember Mitch O'Farrell, Honoree Kurt Russell, Hollywood Chamber of Commerce, President/CEO Leron Gubler and actor Reese Witherspoon Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Boston Russell, Honorees Goldie Hawn, Kurt Russell and actor Kate HudsonHonored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Kate Hudson and Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Honoree Goldie Hawn (L) and Patricia Hawn at the Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Kate Hudson at the Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Kate Hudson at the Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Kate Hudson and Reese Witherspoon at the Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Reese Witherspoon at the Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - MAY 04: Reese Witherspoon and Goldie Hawn And Kurt Russell Honored With Double Star Ceremony On The Hollywood Walk Of Fameon May 4, 2017 in Hollywood, California. (Photo by Steve Granitz/WireImage)
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