"I dated a girl a couple of years ago who died in a car accident," he shares with GQ Australia. "The f**ked up thing is, it was a fender bender, and there was a recall on airbags. Her airbag exploded. It shot a projectile through her body. It split her spine, and um... I've never told anybody that."
The 30-year-old actor says the tragedy changed him. "I've lost friends before; I've lost some great friends. But, I had never lost someone I had been really intimate with, you know, like in that way, in a relationship," he confides. "I think that really affected me in a way that... I don't know. Maybe it's made it harder for me to date."
See more photos of Scott Eastwood:
MIAMI BEACH, FLORIDA - APRIL 03: Scott Eastwood Takes Part In Life Time South Beach Triathlon at Lummus Park on April 3, 2016 in Miami Beach, Florida. (Photo by Aaron Davidson/Getty Images for Life Time Athletic Events)
MIAMI BEACH, FLORIDA - APRIL 03: Scott Eastwood participates In Life Time South Beach Triathlon at Lummus Park on April 3, 2016 in Miami Beach, Florida. (Photo by Johnny Louis/FilmMagic)
NEW YORK, NY - APRIL 09: Scott Eastwood visits The Empire State Building on April 9, 2015 in New York City. (Photo by Grant Lamos IV/Getty Images)
LOS ANGELES, CA - DECEMBER 03: Actor Scott Eastwood attends the GQ 20th Anniversary Men Of The Year Party at Chateau Marmont on December 3, 2015 in Los Angeles, California. (Photo by Mike Windle/Getty Images for GQ Magazine)
LOS ANGELES, CA - FEBRUARY 21: Scott Eastwood is seen in Santa Monica on February 21, 2015 in Los Angeles, California. (Photo by GONZALO/Bauer-Griffin/GC Images)
SANTA MONICA, CA - FEBRUARY 21: Actor Scott Eastwood arrives at the 2015 Film Independent Spirit Awards on February 21, 2015 in Santa Monica, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
BEVERLY HILLS, CA - JANUARY 11: Actor Scott Eastwood attends the 2015 InStyle And Warner Bros. 72nd Annual Golden Globe Awards Post-Party at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Rachel Murray/Getty Images)
LAS VEGAS, NV - OCTOBER 25: Actress Britt Robertson (L) and actor Scott Eastwood attend the Professional Bull Riders Official PBR 21st Birthday Party at the Mandalay Bay Resort and Casino on October 25, 2014 in Las Vegas, Nevada. (Photo by David Becker/Getty Images for Professional Bull Riders)
WINSTON SALEM, NC - AUGUST 12: Scott Eastwood and Britt Robertson at 'The Longest Ride' set visit on August 12, 2014 in Winston Salem, North Carolina. (Photo by Vera Anderson/WireImage)
LOS ANGELES, CA - MARCH 19: Actor Scott Eastwood arrives at the premiere of Open Road Films' 'Sabotage' at the Regal Cinemas L.A. Live on March 19, 2014 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
WEST HOLLYWOOD, CA - MARCH 02: (EXCLUSIVE ACCESS, SPECIAL RATES APPLY) Scott Eastwood and Bradley Cooper attend the 2014 Vanity Fair Oscar Party Hosted By Graydon Carter on March 2, 2014 in West Hollywood, California. (Photo by Kevin Mazur/VF14/WireImage)
NEW YORK, NY - SEPTEMBER 27: Scott Eastwood and Erin Heatherton are seen in Soho on September 27, 2013 in New York City. (Photo by Alo Ceballos/FilmMagic)
ANAHEIM, CA - MAY 04: Actor Scott Eastwood (L) and TV Personality Audrina Patridge (R) attend the Billabong XXL Big Wave Awards at Grove Theater on May 4, 2012 in Anaheim, California. (Photo by Paul Archuleta/FilmMagic)
Alison Eastwood and Scott Eastwood arrive at the world premiere of 'J. Edgar,' the opening Night Gala of AFI FEST 2011 at Grauman's Chinese Theater in Hollywood, California November 3, 2011. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)
LOS ANGELES, CA - OCTOBER 20: Actor Scott Eastwood attends the 'Enter Nowhere' Premiere during Screamfest 2011 at Mann Chinese 6 on October 20, 2011 in Los Angeles, California. (Photo by Rachel Murray/WireImage)
NEW YORK - AUGUST 3: The Late Show with Stephen Colbert airing live, Wednesday August 3, 2016 in New York. With guest Scott Eastwood. (Photo by Scott Kowalchyk/CBS via Getty Images)
NEW YORK, NY - AUGUST 03: Actor Scott Eastwood enters 'The Late Show With Stephen Colbert' taping at the Ed Sullivan Theater on August 03, 2016 in New York City. (Photo by Ray Tamarra/GC Images)
NEW YORK, NY - AUGUST 03: Scott Eastwood is seen at 'Good Morning America' on August 3, 2016 in New York, New York. (Photo by Alessio Botticelli/GC Images)
SAN DIEGO, CA - JULY 23: Actor Scott Eastwood of 'Suicide Squad' attends the Samsung Experience at San Diego Comic-Con 2016 at Hard Rock Hotel San Diego on July 23, 2016 in San Diego, California. (Photo by Jonathan Leibson/Getty Images for Samsung)
WESTWOOD, CA - JUNE 10: Actor Scott Eastwood attends the premiere of Warner Bros. Pictures' 'Central Intelligence' at Westwood Village Theatre on June 10, 2016 in Westwood, California. (Photo by Jeffrey Mayer/WireImage)
NEW YORK, NY - APRIL 14: Actor Scott Eastwood attends the exclusive gala event ÂFor the Love of CinemaÂ during the Tribeca Film Festival hosted by luxury watch manufacturer IWC Schaffhausen on April 14, 2016 in New York City. (Photo by Dimitrios Kambouris/Getty Images for IWC)
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Eastwood also admits, "I still never called her father. I still haven't found the right words."
"It's easy to fall in love when you're young, right?" he adds. "And then you start to realize those feelings of love and stuff -- passion, love, lust -- sometimes they come very quickly, but they can also leave quickly."
While Eastwood has become a Hollywood heartthrob, he still says it was easier for him to meet women when he was bartending. "That was probably the wildest time," he quips. "It still beats out being in movies or whatever. It still beats out all that, a thousand times."
As for his famous father, Clint Eastwood, The Longest Ride star says he wasn't given any handouts. "As a younger kid there was kind of an aura of greatness. Like, he's my hero," he recalls. "Now, I think every opportunity is an opportunity to hear another good story."
He also remembers when he asked his dad for money while he was in college. "I called [dad] and was like, 'I've got this job, can I get eight grand to buy a truck? I'm working this job, I can pay you back 'x' amount a month, you know,'" he shares. "And I remember the phone going silent, and he'd just be like, 'Yeah, no.' ...He wouldn't give me a dime."
According to GQ, Eastwood also claims that his father once wrapped his hands around his throat and punched him in the face after he left his younger sister, who was 14 at the time, at a party. "Later, dad found out that I'd left her there," he remembers. "He popped me and said, 'You don't ever leave your sister at a party. EVER.' And it was very old-school, very old-school of him. He wasn't afraid. None of this new-age bullsh** where you can't even smack the kid because everyone's afraid of being judged or whatever. That wasn't the way that sh** went down in that family."
The actor adds, "If you did something wrong, you were going to get punished. I learned quickly -- you don't do that."