OMG~! i think i'm gonna freak out? help...?

like other said, if you're 18 or over, girl go have fun,... obviously he like you, and yes wish him a happy b-day kiss him on the cheeck, he will be more romantic, because its his b-day you wanna make him feel important. and by the way 6 years different is absolutely nothing!!!! as long as you are 18 + it totally cool