 When they sneak out of the library, there is a scene where Dick is at the  vending machine getting some candy. He loses his money and starts kicking the  machine. Every one has to run by this door one at a time to get where they  are going. They all run by just missing being noticed. Ally Sheedy however  slowly walks by stops and stares at Dick kicking the machine then slowly  walks past unnoticed. Molly Ringwald then says "Shes nuts but shes cool"