DEAN: You saw it was me, Jess. Why’d you keep punching?
JESS: Had momentum.
Mm, good story. I think we can guess the real reason.
Note the snowman competition is still on display outside the high school. This seems naively trusting – even without deliberate sabotage, kids run around (or fight, like Jess is doing), and it seems as if they could easily become damaged. Perhaps a bit of foreshadowing?
The Annotated Gilmore Girls 