Kaylee: Well, you confound me some, is all.  I mean, you like me well enough, and we get along, and then you go all stiff.
Simon: I….I’m not…..I didn’t….
Kaylee: See you’re doing it right now!  What’s so damn important about being proper?  It don’t mean nothin’ out here in the black.
Simon: It means more out here.  It’s all I have.  I mean, my way of being polite, or however it’s….well it’s the only way I have of showing you that I like you.  I’m showing respect.

Firefly, Episode 7 – Jaynestown

…and that’s all I have to say about that…