Ok so i like this guy.......any tips?

ok so i like this guy right. ive liked him for about the past hmmmm says 2 years. ok so i was talking to my friend and she brings up his name. she was like do you know.... and i was like yea. and she is like well hes my best friend. she is pretty new to the school so yea. and so i was like really thats great. a little disappointed but what evs. so a little while ago she ws talking to me and shes like i think im falling in love with my best friend. in my head i was thing oh sh!t. that sucks:(:( anyways i was like who is it?? and she is like .................. and i was like oh. i was thinking today that i should tell her that i like him but what if she goes behind my back and tells him. thats what would really suck. so i am really confused right now. also my best friend has gotten her first bf so im happy for her but a little let down for me:(. any tips on what i should do?