Why does anal feel so good for guys?

To each his own: I think that if you asked twenty people in a row you would get twenty different answers. If you are certain of your relationship you could ask. To actually know you would almost have to ask each individual every time. Sexual choices are one of the most varied and personal things we humans have.

Not all guys: There r certain religious believes that consider this a big sinn.

Depends: The nerves that supply the genital tract run in parallel with those in the anus. For those who appreciate this stimulation, the parallel sensation can enhance pleasure. Guys have the addition sensation of stimulation of the prostate by this route provided an extra buzz.But many find this not to be pleasurable so always engage in these activities with mutual respect.