Merrin thinks that she's maybe a little bit too pleased that she'd made him laugh, but—well. She tries to just chalk it up to the fact that it's been so long since she was last able to tease and laugh with someone, even if she's not laughing so much as turning her head away to hide her smile, making a show of inspecting the items on the workbench as if they're at all interesting to her right now.

"Oh? How do you know it worked?" She turns her head back towards him and raises her eyebrows, challenging. And still ignoring that inconvenient fact.