Andromeda's gesture said 'well, there you go then' just as clearly as if she had spoken the words aloud. The truth of the matter was far less important than Bellatrix's perception of it. Wasn't that always the case? She shrugged even while a twinge of guilt curled in her chest at her sister's next mention of Ted. She had dropped him rather abruptly, hadn't she? But Rodolphus was... well, he was Rodolphus. A powerful man even without his wand. It was in his bearing and his attitude. His confidence. In his every pore, really. He was... pureblood. Precisely the type of man her parents had wanted her to marry, and she had always had something for Rabastan. Surely his older brother would have it as well, if she looked hard enough. And he wouldn't have been all that impressed with her if she hadn't made a bold declaration in his favour. Dropping Ted like... well, hot Flobberworm pus was a tactical move she'd had to take! And anyway, Ted was in love with Narcissa...
She still hadn't moved, the doorframe digging into her arm a little uncomfortably by the time she dropped her head to the side and adopted a pout that couldn't have been any less honest.
"I didn't realise you had feelings to hurt. I would say that I'm sorry, but I'm not." The very thinly veiled threat burned like acid. It was in Bellatrix's smile and the way her spine had straightened almost imperceptibly. It was an impression more than anything else, but some small part of Andromeda screamed at her to run, that there was danger in that smile. Perhaps if she hadn't forgotten her wand in her office, Andromeda would have pulled it out of her healers' robes now and vanished the shards of glass, a quiet display of her more powerful position. But louder than the fear was the anger: how dare Bellatrix come into her hospital and start to issue threats? How dare she demand Andromeda arrive at her silent summons while she destroyed Andromeda's property and the product of hours of someone else's work? Although the decision would have been to retreat, she wasn't capable of it. Not here. Not now. She was the mentor. This was her hospital. No. She would retreat, even if it meant arming herself. Her only sensible recourse was to walk confidently further into the room and away from the door, to calmly walk the perimeter of the small space as though she had been, never to give Bellatrix the satisfaction of knowing that she was afraid. "After all, it takes two, doesn't it? If you weren't much of a wife, you can't blame him for trying out the better model. The rebel. The one who left Carrow at the altar not once, but twice."
She finally reached the bed and perched herself daintily on the end. "What do you want, Bellatrix? Are you here to scold me? To threaten me? To beg for your husband back? I'm flattered, but you know as well as I that I'm not the one you need to talk to." Andromeda shrugged delicately, a soft smile curling at her lips. "'Dolphus might hear you out. But... I wouldn't hold my breath. Now that he's had me, why would he want to go back to the one he knows will disappoint him?"