HELP!!! I cant choose...i need serious help immediatly?

ok so i started flirting with this guy (A) and he is rele kewl and 2 years older than me and can drive and it fun to be around but im emotional and he isnt so gewd with emotions and he likes me too but for some reason hasnt asked me out...then i started tlkn to this other guy (B) and this was while me and guy (A) werent tlkn for a while...well we are together now, he is 1 year younger than me but rele sweet and knows how to make me feel better when im upset..(he is shorter than me but i think i can live with that)...but here's the problem im with guy (B) but flirting with guy (A)...ugh i feel guilty..at one point in time i told guy (B) about the whole situation and he was calm about it...but i could tell it hurt him badly...i chose him...but stupid me goes and talks to guy (A) again....i rele like them both but i cant choose