"I don't know why you presume to know what my life has been like," Percy commented. Even though it was mostly true. He'd have about one friend in his life - Oliver Wood, since they had shared a dorm room for seven years - and one significant other, Penelope. And he hadn't spoken to either in a long time, so clearly they weren't long lasting.
But it was hard to be insulted or upset by a drunk person.
"Mind the wall," he said mildly as he tried to steer Draco on a relatively straight path. But they made it to Draco's room without any collisions, and he opened the door. "In you go."