Malcolm: I'm going to tell my mom how I can't beat people's expectations on my science test.
Jessica: Are you a complete moron?
Malcolm: What?
Jessica: [scoffs] Amateurs. You are not trying to manipulate a guy here, Malcolm. You have to use your brain.
Malcolm: But it worked great last time.
Jessica: Which is why you can never use it again. Especially with your mom's radar. Come on, sit down, listen to me. You got lucky the first time. But if you want to pull this off, getting the car two nights in a row, you have to be very, very good.
Malcolm: Why can't I just-
Jessica: Hey! Do you want to ride Jamie's Big Wheel to the party? I am telling you, you have to share some real fear or feeling of inadequacy. If you are not totally honest, she will see right through your scam.