How do i kiss my bf for the first time?

we've been dating Sage (my favorite name) for a while and every time we get close, there is a hugh awkward silence. we were just at the movies and id look at him and hed look at me but then after awhile wede get bored so we would just watch the movie again.....i dont get it he talks bout how i owe him 16 kisses but he hasnt even kissed me once help