They really do keep beating that dead horse...
No. Simply being in the presence of people does not equate universally to fun. No, not even if you like them.
Why do so many manga / anime series try to force that blatantly false cliché down everyones' throats?
Even with my friends, I get tired of just hanging around with them pretty quickly since we don't really do much of anything. In fact I get bored pretty quickly whenever I'm not buried in games, anime or manga.