Well, naturally, the thing wrong was that you weren't involved! Your friends bullying first years without you? Pfft. You were slightly offended. You join your friends and levitate the books onto the roof while you walk to class, showing up exactly on time. You sit in your unassigned assigned seat and prepare for the day in potions.
As class begins, Professor Snape forces you to partner up with someone to make a potion. Do you choose
Draco Malfoy, who has the brains to match his pureblood lineage: Ch. 31
Gregory Goyle, who will likely not contribute whatsoever: Ch. 32