Im in love but with a quy younger dhan meh....?

okay im so in love with this guy i use to see himm all the time buh now i see him two times a week...he is likke two years younger than me and i am 15 he acts mature[kinda] lol and is perfect...well almost... buh i feel werid by this does anyonq think this is weird? he makes me feel so specail i knew himm for two years buh there is this qurl in dha way kinda she likke himm buh idkk if he does he tellz meh nahh buh im still not shure kuz dhey flirted before.... i feel like cryinq wen i ssee dhem toqether wah do i do???