Lyric discussion by battaryacid 

Cover art for Little Devotional lyrics by Taking Back Sunday

well obviously it starts right after they just DID IT, because he's smoking and she's getting dressed. and he's thinking maybe her parents are gonna get on to him about them DOING IT.
Then somehow she's thinking about another boy, and he's like, "for pete's sake, do you really think he could DO YOU better than I do? for pete's sake! it's what I do best!!"