"Oh don't start." His lip curls, perched fingertips drawn up slightly in distaste. The way she looks at him from behind the span of her work, it's more unpleasant than he's keen on tolerating in the here and now, even with the addition of that wry little smile like some sort of mask for real, palpable sentiment.

"I don't love it when you make it difficult by saying things like that. Might even tempt me to take back my promise."