When people go to rehab and come out, they go through a difficult period, a lot of people. I never had that. I was so glad to be rid of all that crap that for me, to learn again and to function as a human being and learn how to participate in the human race again was just pure joy.

Onstage it was always comfortable for me because that's where I felt at home. Offstage it was a different situation. I was still shy offstage and unfortunately, my shyness and my inability to communicate and really have great conversations or be part of the gang - in inverted commas - led me to the drug addiction, which, you know, blighted my life for 16 years because I thought by doing that it would make me join in.

It took a child. It took a child with a blood transfusion not only to wake me up, but to wake America up, basically. I mean, I read about his plight in a doctor's office in New York in a magazine. I was so outraged about it that I contacted the family. We became friends. I helped them move to another place in Indiana. And we became constant friends.

What we should be doing as musicians is trying to bring people together.

I've been following him since Space Oddity. And I've followed him from all those albums that didn't sell, like The Man Who Sold The World and things like that. Above all, apart from all the glamorous rubbish, the music's there. Ziggy Stardust is a classic album.

When a rumor doesn't go away it's not a rumor

Don't let the sun go down on me.