Paper Crane of Mistakes

Harry grumbled and walked faster, hoping Tom could take the hint. He didn't. Tom kept talking about how Harry should try harder in school and stop causing trouble.

"Don't you ever stop talking!" Harry glared at him. "You need to loosen up. Go get laid or something—"

"Is that an offer?" Tom smirked.

Harry raised his hand and made sure the punch left a good mark.