According to MSNBC, Billy Idol's body is his instrument:
"[T]o counteract the decades of hard living and maintain his eye-catching six-pack, Idol swears by an unyielding exercise regimen. 'I wanted to re-energize myself and I know this sounds a bit Roger Daltrey but my body is my instrument. I mean in the old days I didn’t give a ... but I wanna be really clear-headed and in the moment now. The real drug is on that stage.'
'Don’t get me wrong,' he quickly adds, 'I still smoke pot, I still drink, I’m just not overdoing it. It’s about pacing myself so that I can push when I want and pull back when I want.'"
That's the way I am with frozen yogurt.