The British singer, once married to actress Tawny Kitaen, blasts famous spouses for their emotional baggage, which often includes an unattractive desperation to stay famous.
He says, "They're to be avoided at all costs.
"Most of the celebrities I know - and I've dallied with a few - are unbelievably insecure about their popularity.
"Fame is far more addictive than chemicals. It's a huge dependency for some people."