As far as dumping all your work on someone and expecting to get credit anyway goes, doing that so you can kiss someone until whatever am is one of the dumbest reasons.
I don't really get her. She's been suddenly dragged over when she's not interested and suddenly she wants to put her life on the line to treat this guy for no benefit? Why?
He did mention that it would sell only at lunchtime though. It's just that their classroom is too far away and once their break actually started others would get there first. So they left early to wait outside the cafeteria until it opened.