I Dont Know What To Do!?

I don't know what to do! My friend, Natasha, asked me to ask out a guy named Joe for her. I would love you d o it for any other guy except i am falling for Joe and i have no idea what to do bc if i don't she'll get mad at me and if i do and he says yes then i am hopeless! If I say I like him she'll probably get mad at me.