"For a long time I thought I did too much damage - drug damage. I was a bit of a drifter. A guy who felt he grew up in something of a vacuum and wanted to see things, wanted to be inspired. I followed that other thing. I spent years f**king off. But then I got burnt out and felt that I was wasting my opportunity." Brad Pitt quit using drugs in the early 2000s after realising he needed to grow up.