"Accio flask." He picked up the bottle and put it in his pocket. "I'll return this to your father," he said.
"Perhaps if you were not drinking, you would be hungry," he pointed out. He usually wouldn't have cared about drinking. They had their own private parties in the Slytherin common room, but this was different. Frederick had left his friends to drink alone.
"Can you walk or do you need a sobering potion?" He looked at his watch. "We have time to go downstairs and then up to the Headmaster's office, unless you want to go from here."