"This isn't private. It's where loads of people come to meet up and practice shite for a war. Unless you're Ginny sodding Weasley. Then it's where you take whoever's closest to snog," Harry snapped back.
He felt guilty for saying any of that, a little, but it just came out. He ducked his head, anger in his expression giving way to a twinge of guilt, and probably hurt. He didn't say anything else, just slammed his way out of the door - as best as the heavy door would let him, anyway, leaving the girls behind.