Harry had to shake his head to clear it and shifted uncomfortably to make the tightness in his trousers a little more bearable. There was no way he would be able to leave for classes yet; not with the tenting in his pants. He tried to think of unattractive things, anything to get his mind off it. He couldn't go to class like this, especially not potions. Snape would never let him live it down. He would tease him to the end of eternity!