In his eyes, in these last minutes as they waited for the Aurors to break through the spells and locks on the front door, Hermione saw a plea for forgiveness and an unspoken apology for everything that had happened during the past months. To show him that she didn't hold it against him, and to ease the pain of their imminent separation, she stood on tiptoe and kissed him. He returned the kiss with passion, hugging her tightly around the waist.