you're safe with me

Unable to endure the sight of Draco's future bride in the ballroom at Malfoy Manor any longer, Hermione slips away from her Auror partner's Betrothal Ball, intending to hide in the library until she's ready to face the sadly inevitable future. Why on Earth is Draco, with a glass of firewhisky, already there looking just as dejected as she feels? Isn't he supposed to be celebrating?