The same reason why girls aren't in the mood, they might be not in that headspace at the moment. That is why it is so hard (pun not intended) for both parties in a committed relationship to both be in the mood at the same time. That is just how it is, but it isn't to be considered an impasse, as the right moves can change things up!
Do you want to have sex with him or just hang out with him? Guys like to be with other guys, not all of them want sex.
guys want to have sex with them and have baby's DUHHHHHHHHHHHHHHHH
So he can have sex with you.
90% of the time, guys have no idea what we want....besides sex that is.
sometimes it gives them stress and pimples..., but it does many different things these are just a few. or it can get boys in slang (horny) is a feelin when guys want to have sex.
Make beautiful love!
They want you to give them a 'oral sex'.
Sometimes
Because if you are attractive, they will want to have sex with you.
Mostly sex.
* ya it matters about his personality and if he does he will usually keep doing it when your together but be careful because sometimes he may get the wrong idea and he'll think you want sex.
they normally want to have sex and give you gobbies.