Arnold flinches visibly, and then his jaw sets and his eyes flash, and he brings his other hand (the one with the marriage ring) across to lay on hers.

"I am not surprised. I... I am jealous, yes. But Lisa is my wife, whatever your other self might have been. Maybe the self I was had a wife, but I don't care about that. I married you, and that choice I would make again and again." He grins at her wryly, the flash of possessiveness fading.

"I suppose I will get used to being jealous"