You liked a boy in class. Snape, being your protective ‘friend’ wasn’t having it. The boy didn’t like you, which he found impossible given he’s in love. He would kill for you, even if it meant hurting someone you held dear. He didn’t want to see you hurt. You asked the boy out, he rejected you. You ran to his class and cried onto him, he held you close and comforted you, all he could think of is how he was going to make that boys life hell.

“There there…he didn’t deserve your love anyway…”