You are the same age as James Potter, Sirius Black, Remus Lupin, Peter Pettigrew, Lily Evans, and, of course, Severus Snape. You all are at Hogwarts.

You are outside on a picnic table, eating. You saw Severus minding his own business until the Marauders came up to him. They kicked him and made fun of him.

What would you do?