"Oh, is that so? Probably healthier for you, in the end. Desk work will always give you back problems in the end."

She talks about it as if she's taken a job, though. That implies that SHIELD doesn't exist yet. That makes things extra complicated for a number of reasons.

"You're in the military, then?" There's an edge of cheekiness in the question; it's been levied at him more often than he'd like.