Your magic book doesn't say anal sex is detestable, nor bad for you. It condemns homosexual sex as detestable - some translations say an abomination - to the lord. Basically yahweh says it doesn't like it. But then it gets off by the sweet savour of burned offerings, so what this up-its-own-arse piece of imaginary shit has to say about entertainment as it pertains to human nature is highly questionable.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'