Yes, we actually do.
Not sure. But not all girls perceive it this way. Some girls view it the other way around.
Because guys do gross immature things
they think its childish but i dont think it is at all
most of all mature girls not some girl who is childish
Because you probably annoy them- or they like you. If you like her, and she says your childish- then she most likely thinks your immature
Justin Beiber writes about girls because that's pretty much what teenage guys (and grown-up guys) think about... and it's what sells.
Because it is immature and childish!
The same reason guys think about girls.
Not all the time. Guys are sometimes different and like the girl who's more mature.
I think guys think about sex,girls,sports,and money.