Why does he have difficulty staying erect during sex?

I was wondering what are some exersizes I can do to stay tight? I heard somewhere that pilaties helps with that, is it true?

Me 14 and my boyfriend 15 want to have sex but condoms dont stay on his penis is megga small so they fall off what shall we do

after sex does it make your period heavier or does it stay the same.

I've never had phone sex with my boyfriend before. I've never even done it. What should I say so he stays interested?

Why do you have to be 18 to watch porn but you can have sex at 16

me n my boyfriend was having sex for about 5/10minutes and all of a sudden he went soft this has never happend to us before, ...

when will I kw when it is the right time 2 have sex?

I'm 18 and my girls 16. We have tried to have sex a cupple of times but it didnt work out so well. Wrong place, Ect. Well las...

me and my guy started having sex a few weeks ago, the thing is I cant seem to stay wet and after 15 minutes of intercourse I ...

Whenever I think about sex I erect and I can't get it down until I tuck it under my leg or between my legs. Sometimes this h...