You know that famous Adam on the Sistine Chapel ceiling whose fingers are nearly touching God’s but not quite? Well, I’ve stroked him. I’ve run my hand along his naked body, and I’ve slapped that big, muscled thigh of his. Not a hard slap, mind you. Just a soft slap of affection that ended on a rub. I’ve even stroked his sweet little willy. I know I shouldn’t have done. But I couldn’t stop myself. And it was probably the single most exciting moment I have had in art. How did I come to touch the naked Adam high up...