wow you guys are harsh.... sounds like some inside stuff that i'm not in on tho...
look man, stay away from girl A... never get back with a girl thats hurt you, especially when you have so much for her that you're hurt easily by her. its just trouble down the road.
girl b: **** her....... seriously.... like every night..... between classes.... whenever you can man
just have fun while you can, things change every day, and really you cant plan for shit. so just enjoy every day as it is, STOP LOOKING AHEAD A YEAR FROM NOW. you wont be the same person, neither will be girl A, or girl B. and most likely by then there will be a girl C-F considering how quickly you fall (which isnt necessarily a bad thing, just keep em flippin)
thats just my cent