Waiting is boring

When Draco bumps into Harry during a game of catch and gets injured, Harry decides to bring him to Madam Pomfrey, but the waiting takes longer than expected. But waiting is boring, so Draco tells Harry to entertain him. So in the meantime: Harry has to put up with awkward silences, vague conversations, and Draco's wining. (Takes place right after 'Prisoner of Azkaban")