While she was insanely curious to know what had happened, Even Missy could see how much it was hurting him to even think about it. If she hazarded a guess though, one of his Companions had probably been attacked by the Cybermen, most likely Bill judging by his reaction. But the thought of herself and her previous incarnation being present at the same time? It sounded exciting. Well, for her and herself at least.
Missy set her new present down and took a step closer, wrapping her arms around the Doctor in a loose hug. If he wanted to pull away, she'd let him with no resistance.
"You don't have to tell me the rest if you don't want to."