Ummm way outa my league how do i get over her?

ok so i am a girl. im bi. my friend told me about this other girl. and said she was bi and stuff. but said you will never meet her because you'll hit on her and stuff she was jokeing around and stil being serious. so i was like just send me a pic. she was talking to her at the same time (aim) and i said she was cute then she TOLD her i said she was cute. she said awww sweet but w.e. i got her sn like a month ago and couldnt bring myself to talk to her till last night. she is really hot. and really nice. i think i like her. but i dont want to. she is 2 yrs older than me!!! and waaaaaayyyy to hot for me too!! haha but i dont know what to do?!?! help how do i get over her?!?!