Stacy's brother

So this is the song "Stacy's brother" if you don't know here is the lyrics for all I remember Ai: I've been hanging out with Stacy You: everybody thinks we're dating Ai: cause I spend my weekends You: hanging at her house Ai: she's apart of the cheer team You: top of her class Ai: and she's prom queen You: when we study in chemistry Ai: she unbuttons her blouse You: but I got a secret Ai: I must confess You: it's not her laugh Ai: or the way she dress You: she's not the reason Ai: I've been thinking bout love You: every weekend when we hang out Ai: I lose my cool You: when he's around Ai: and I don't know if this is just a crush You: how do I find the words to tell her Ai: I'm in love with You: Stacy's brother