>>11482122It's pretty simple. It feels good. For most men and women.
I'm a guy and the intensity of orgasm with anal stimulation is way better than without. It's even possible to cum purely from anal stimulation. The orgasm is stronger, lasts longer, and I ejaculate a significantly greater volume than normal. Ejaculate volume increase is probably because of the pressure on the prostate squeezing out more fluid. I can't speak to the female experience but from what I understand, it's a similar phenomenon of stimulating the vagina from the other side, much like the male prostate.
That said, it's pretty disgusting without the proper prep. Can't have eaten for a few hours, or longer if the last meal was large. Have to douche your colon a few times then wash your ass afterwards to make sure it's a shit free experience.
I prefer putting my dick in pussy. It's just better and much more convenient. I still like some anal stimulation for me every now and then but I'm perfectly fine not sticking it in girl ass.