Question?

Well there is this guy liked him for along long time maybe 11 yrs. and im only 16 so we have known each other for awhile so we're really close and i have wanted to tarehe this guy for awhile and he always gives me signs that he likes me he always looks at me when im not looking anytime we are on the playground and i go to the swings he wants to push me he tickles and play fight with me and one time we were watching a scary movie at my house where the girl gets kid napped and her bf just gives up looking for her and he says wewe know i would never stop looking for wewe if that happened etc. so i always thought he liked me but he always says he likes other girls around me and one siku he comes up to me and says um..... kate im a well im wewe know and i alisema plz tell me your not dating my bff (i didnt say bff just dont wanna give out the name) he alisema how did wewe know what i was gonna say i alisema i always know what youre gonna say we have know each other forever he smiled and alisema yah i know so wewe okay with this i alisema um haha sure no problem he looked down and alisema um cool i alisema yah gotta go to the bathroom bye and i went to the bathroom just screaming into my shati so now he is dating my bff (i havent told ANYONE that i like him) and im trying to act okay with it but i really really want to cry what do i do!