NEED DATING ADVICE!!!!?

ok, so there's this FAT chick at school ok, and i think she likes me, but i don't like her. she has this dog who barks, and hes got some hair. so there's this other girl whose crazy HOTT and she digs me cuz i'm pretty good looking, and i got muscle! so i like her-like her, but i dont like her. the thing is i'm dating someone and so is she. but were also kinda dating each other, in a way. so then there's this last girl whose a complete weirdo and religious chick. she wears the same sweater all the time, and she does drama. so i'm in drama and i asked her to help me with my lines, but she says on one conditon: i cant fall in love with her. and so i'm thinking how the hell can i fall in love with her when i love this girl on the softball team! so i says to her, i says yea sure. so we go over our lines together, and i find i'm falling for this broad. so we kiss, then she tells me shes got Leukemia, that one cancer thing and so i start crying cuz i'm thinkin i dont want cancer through her. so i dump her and start dating the chick who sits next to me in AP Physics BC. but the FAT chick still likes me. what do i do? please helpNEED DATING ADVICE!!!!?
Hahah I literally can not stop laughing because I am watching A walk to remember right now.NEED DATING ADVICE!!!!?
A walk to remember?

stella mccartney