You had really bad emetophobia. Nobody ever knew, but it was so severe that you would have a panic attack in a matter of seconds if someone even retched.

You were in class one day. A classmate was already pale.

A couple seconds later, he bent over to the side, and threw up. You jump, and held your ears. You began to tremble. You close your eyes, and held your ears tighter. But nothing helped. Rosalie, the little sister of Draco, was sitting next to you, trying to find out what happened.