To Shepard's credit, Lavellan does in fact waste a few moments being irritated.

Then he gets the joke, and only barely suppresses a grin from slowly crawling across his face.

Well, if that's how she wants to play it, he's willing to go along.

"Well, naturally. I'd just thought you had more restraint than that, you know. Wait at least until we all get settled and cleaned up before tearing my clothes off."

He settles back against the bulkhead with an exaggerated, lazy self-confidence.

"But if you simply can't hold back any longer, I'm happy to oblige."