Anal sex is fantastic. I don't know why it makes you so nervous. You don't like it, you don't do it. I love it, I do it. Did anybody FORCE it on you? I that case I would understand your paranoia...
Cheer up, life is short - especially when you stress so much about %§#&!ß-.
P.S. - Instead of obsessing on anal sex, why don't you do something about your grammar?