He catches that slip, his eyebrows immediately shooting upwards, though whether or not it's because of the matching or the bathroom itself remains to be seen. Probably a bit of both, to be honest.

"Guess I'm not too surprised. She was still carrying a torch for him for awhile." Even if it was just a casual encounter-- not that it was any of his business. Some part of him might have been jealous of them having the emotional and non-cursed capacity for a casual encounter, except for the fact that it was Spike and Harmony immediately turned him off entertaining the idea of jealousy for more than half a moment.

"You said 'our.'" Like he's letting that go untouched. "We working together?"