lol, you've known each other since 3rd grade. how much longer are you going to wait? i doubt she's going to admit her feelings to you and will probably continue sending you mixed signals because she's afraid of being hurt. how do you feel about her? do you want a relationship with her? i think she's been waiting for you to pursue her for a very long time. why do you think she's never even been kissed by anyone else? she's hung up on you but she's too scared to come out and admit she likes you because she thinks you don't like her in that way. why do you think she kissed you and then was so mortified? if it hadn't meant anything she would not have been so incredibly embarrassed.

i was in a situation just like this when i was in college. it was torture and i wish i'd just taken the chance and pursued the guy. i knew he had never made the first move with a girl but always waited for them to do it. we were both too scared so it never happened even though it turned out we both liked each other.

if you really want a relationship with her then tell her or start pursuing her. if you aren't serious though then move on and let her find someone else. how have your previous girlfriends reacted to you rooming with and/or being so close to her? i'm sure it's pretty obvious to them she likes you and have told you so. why else would she act so obnoxiously around them? she's totally jealous.

life is about taking risks. i missed out and learned a hard lesson. carpe diem.