His petulant moods were even more frustrating than when he was angry. Drinking often made him sad and overly sensitive. Hermione hated being around him in such a state. It was almost more enjoyable worrying that any second he was going to get angry enough to kill her or one of their companions. Years earlier he was in those moods a great deal. She would stay with him until she'd had enough, which usually didn't take long. Deciding that anything other than complete honesty wouldn't be acceptable, she told him the truth.