Sylvester Stallone has reflected on his relationship with his late son, Sage.
Stallone's son died in 2012 at the age of 36, which a coroner later determined was a result of heart disease from atherosclerosis - despite initial reports that it was drug related.
The Rocky star shared his son with ex wife Sasha Czack, with whom he also shares another son, 44-year-old Seargeoh Stallone.
Since Sage's death, Stallone hasn't spoken out much about his son's passing - but has made some rare and candid comments about him in his new Netflix documentary, Sly.
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Sage starred as his father's on-screen son Robert in Rocky V, which Stallone says wasn't a dissimilar relationship to theirs away from the cameras.
When asked if the movie plot reminded him of his real-life relationship with Sage, Stallone says: "Unfortunately, yes."
He goes on: "I try to take something that actually is what I wish I had done in real life, but I wasn’t able to do that in reality. And so quite often I would do it theatrically, magically."
"A lot of that is true," Stallone added.
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"Unfortunately, you put things before your family. And the repercussions are quite radical and devastating."
As well as present day filming, Sly also shows scenes from the premiere of Rocky V where Stallone gushed about fatherhood while stood with his son.
"There’s a line in the movie, ‘I’m so glad he’s born because now I can live through your eyes.’ That, I think, is what fathers look to their children for," he said at the time.
"It’s an extension of, a slice of immortality. As long as he’s alive, your memory will always be alive, that you did something right. I mean, you hope for that."
Elsewhere in the new documentary, Stallone talks about his life-changing injuries sustained on the set of The Expendables.
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In 2009, during the shooting for the film, the now-77-year-old suffered an injury while performing one of his own stunts, and he's since revealed he's 'never fully recovered' from it.
Stallone was left needing surgery and ended up with a metal plate in his neck.
"Truthfully, I never fully recovered," the actor says in Sly.
"It did such a number on my body, I've never been the same."
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But, financially, the actor's injuries paid off as The Expendables franchise has seen him make $51 million.
But that's arguably pocket change for Stallone who, as of this year, is said to be worth a staggering $400 million.
Topics: Celebrity, Documentaries, Film and TV, Netflix, Parenting