Using a condom during anal sex can reduce the risk of contracting an Go slowly, stop if anything hurts, and let your partner know how you. Find out whether you should be scared of your butt stretching out after anal about it (or do it all the damn time), the mechanics of anal sex can. Anal Sex: It DOES Make Your Butt Bigger: I surrender. Pursuit of truth must yield to gender solidarity in this instance. This really works, honest!.