Aizawa knows when his students are acting strangely, you are an example. You were never one to giggle and jump at the slightest touch. He knows what has to be done.

You were in your room, then you heard a knock. You opened it and it was Aizawa.

Aizawa:"Kid, be honest... You want to be tickle?

he knows, he knows you're in that damn Lee mood.