[He chuckles in response without quite meaning to, partially covering it by clearing his throat a moment later.]

No, fanciful is not a word I would use to describe you, at least not immediately.

[It would be a stretch, to say the least.]

You're very practical. There's nothing wrong with being concerned about how certain things fit into real life, but it's not a bad idea to leave a little room for... well. Whimsy?

[He gives her a crooked half-smile, teasing.]

First point of order is to worry a bit less about "shoulds" and "shouldn'ts," I think.