What should I do in this Situation???Its Urgent!!?

Ok so have have liked this guy for a really long time and i just found out that my friend Bridget also likes the same guy. She doesnt know that I like him. I think the guy we like sorta likes Bridget back and i think the might date. I want to be happy for them.. I really do! I mean i kind of like some other guy in the grade below me but i dont really like dating guys that are younger than me!! What should i do???