Teenage girls ? - your perfect guy ?

i am 16 and im scottish , im really into this girl right now, hell ive already told her to her face that i like her, but when i see her next on friday, out with a group of friends, getting drunk :P, how do i act towards her ? im tall ( 6ft 2 ) i have shortish dark hair, i dress nice and i always smell nice, is that what girls like ? help please! how do i act towards her