What Can I Say?

Lisa, on my status update about the exam: I would've hated you if we'd gone to school together. Who refuses to use the book during an open book test? I'd have stolen your lunch money. Seriously, who does that? 

LuLu:  (looking confused): I have

YaYa: Yeah, me too. 

LuLu (bewildered): Uh, if you know the answers, why do you need to look in the book? It just takes longer that way. 

(silence in the car) Lisa, to me: Your kids suck.