"I wasn't someone who could smoke or drink in moderation, and I recognised that those things would kill me. I started visualising the doctor telling me that I had cancer from smoking or that I was extremely ill because of how much I'd been drinking," Contactmusic quoted Ewan as telling Health magazine.
The thought of explaining to his kids that their father was dying because he took his body for granted made him quit the habit. "What kind of regret would I have if I had to tell my children or my wife that I was dying because of something I could have done something about? I didn't want to be that kind of man," Ewan said.