I'd say that sex is pretty high on the list - most heterosexual men are far more interested in the physical aspect of sex than any romantic elements, though this is obviously a sweeping generalisation.
Blowjobs don't hurt either.
They fall for guys and visa versa because its something they know they cannot get and that means that they will want it. If for example you are deiting and you see a food that you liek but cant have it ewill make you crave for it.
They crave attention from everyone at that age.
Extra hormones in body from pregnancy
Some are guys, some are girls.
the guys want the girls to notice them
Well some guys would say guys are, and some girls would say girls are.
Girls make up guys so they can fit in with the 'popular' girls or to make other guys jellous.
Ha! Ha! Though not a girl the answer seems simple. The girls would crave for the bleeding part of their period to end. Now remember that there are other phases of their period, a key one being ovulation.
Guys and girls are both NOT simple trust me!
Alpine skiing is for both guys and girls.
no guys are ruffer and dumber then girls and more ignorant
Some girls are awesome, and like guys for who they are, some girls like guys cause they're hot, and some jerky girls like guys for their money and their cars.