Bi male, and I like it very much. When I was younger I used to like topping more, but these days I like bottoming more. On E there's nothing more pleasurable for a male than being fucked that I've come across in quite a lot of experience.
I've also done it to several "straight" guys. I suppose people will say that makes them bi, but these were people who had no emotional attraction to other males, they were just horny and discovered sticking things up there was fun. Since I was experienced at doing that kind of thing I helped them out. Usually more than once.
For those who say it hurts, it varies a lot. Shape matters more than size, and toys/fingers tend to hurt more than the real thing. There's also a reasonable amount of mental state and relaxation training involved. You need to learn how to convince the involuntary sphincter muscles to relax when you're aroused, which does take a bit of practice for most people. You might wanna try something that distracts from it like poppers or ecstasy or whatever your drug of choice is, it can help with getting used to it, and it's worth it.
The guys who haven't tried it, you're missing out on a lot. If nothing else, get a small toy and try it yourself alone sometime. They sell ones specifically designed to hit the prostate these days, not hard to find. Oh and get real lube, KY and other water based stuff is crap.
As for the unpleasant possible side effects, that's usually a matter of having good hygene. At least it washes off, and you should always remember to pee afterwards to flush the urethra or you're asking for real trouble!
I've also done it to several "straight" guys. I suppose people will say that makes them bi, but these were people who had no emotional attraction to other males, they were just horny and discovered sticking things up there was fun. Since I was experienced at doing that kind of thing I helped them out. Usually more than once.

For those who say it hurts, it varies a lot. Shape matters more than size, and toys/fingers tend to hurt more than the real thing. There's also a reasonable amount of mental state and relaxation training involved. You need to learn how to convince the involuntary sphincter muscles to relax when you're aroused, which does take a bit of practice for most people. You might wanna try something that distracts from it like poppers or ecstasy or whatever your drug of choice is, it can help with getting used to it, and it's worth it.
The guys who haven't tried it, you're missing out on a lot. If nothing else, get a small toy and try it yourself alone sometime. They sell ones specifically designed to hit the prostate these days, not hard to find. Oh and get real lube, KY and other water based stuff is crap.
As for the unpleasant possible side effects, that's usually a matter of having good hygene. At least it washes off, and you should always remember to pee afterwards to flush the urethra or you're asking for real trouble!