The 52-year-old pop star struggled with his hectic schedule and feels in more control of his life now that he has kicked drugs and booze, reported Contactmusic.
"It (fame) was mental. I don't think I enjoyed it very much. That's the difference between now and then. I really enjoy what I do, I have control over it and I don't do everything. Back then, I was getting up in the morning, doing a hundred interviews, flying here, flying there. To start with it was really exciting but at a certain point you realise you're having a breakdown.
The 'Karma Chameleon' hitmaker served time in prison in recent years for falsely imprisoning a male escort and battled cocaine addiction.
George is releasing his first new album 'This Is What I Do' in October.
"There was a period when people avoided me; friends would cross the street to swerve me. The energy around me was just so dark, so negative, that no one wanted to be around me.