Rule 34: If it exists, or you can imagine it, there is porn of it. No exceptions. Rule 34 summarizes everything about sexuality. It says that human sexual fantasy is limitless. It says that anything can be eroticized, can be arousing, can be life-affirming. It reminds us that any ideas we have about what’s normal sex are about us, not about sex. I’m always telling patients “don’t blame sex for your ideas about sex.” Rule 34 reminds us exactly what pornography is: a library of human eroticism. Pornography is a celebration of how humans can stretch their erotic imagination—sometimes in ways…