Why dose she come to me with a problem of liking her best Frieda boy friend when she knows I like her?

So I told her I liked her a couple months ago and she said no I would rather just stay friends and a couple nights ago we where talking and she started talking about this guy and of course me liking her wanted to listen and make her feel better but she jut kept going on and on about him and how her best friend is going out with him and all this other crap and i was thinking to my self seriously do you not remember me telling you that I like you but why did she do this to me of all people to rant about THIS problem to. And it's not so much listening to her but seriously I know she dose not want a realationship with me but why do this to me it just makes me feel worse