Draco had been in the library when he'd written, and he wasn't entirely sure what prompted him to ask Goyle to drink with him - other than the fact that he'd fielded questions all bloody day about why he'd handed over the Quidditch Captaincy, and he was sick of it.
As he came through the door to their dorm, he saw Goyle had already started in on it. He snorted, dropping his books down onto his bed and then taking off his school robes, loosening his tie.
"Starting without company? Show of an alcoholic, you know."