The lessons I learned from the Joy of Sex, more than 50 years on

A moment of high passion. My partner – who for the purposes of this article would like to be known as “X” – executes a curious leg movement, kneeing me forcefully in the crotch. “What’s with the S&M?” I wail. “I was trying to do scissor position,” he explains. “Isn’t that what lesbians do?” I enquire. “Stick to the guide!”