well i can't really figure it out either but my first thoughts are
bird: he'll 'fly away'/ leave her one day, you can't keep him, he won't be faithful (kinda reminded me of the hawking imagery Shakespeare's character Othello uses to describe Desdemona's adultery...lol sorry)
you see, this imagery is nothing new: birds are free, wild and they never settle down.
2.he seems to like her and he's afraid that he might like her even more so he's warning her "don't make me make you fall in love" because guys that hook up with many girls start to gain this "one personality" they always adopt when they're with them. This means being very aloof and impersonal, playing games etc. But he just might start to care about her which means that he'd change his behaviour towards her. he might become much more personal, caring and passionate (or playing even crazier games?XD) which involves the risk of falling for him.
But well he insists that this "won't mean a thing to [him]". he's "bird" who will only break her heart in the end.
well i can't really figure it out either but my first thoughts are
2.he seems to like her and he's afraid that he might like her even more so he's warning her "don't make me make you fall in love" because guys that hook up with many girls start to gain this "one personality" they always adopt when they're with them. This means being very aloof and impersonal, playing games etc. But he just might start to care about her which means that he'd change his behaviour towards her. he might become much more personal, caring and passionate (or playing even crazier games?XD) which involves the risk of falling for him. But well he insists that this "won't mean a thing to [him]". he's "bird" who will only break her heart in the end.