Arla tilted her head and let herself smile, too. Because he was smiling, so it was okay, right? She didn't seem to recall that he was married, or if she did, that didn't register on her face at all. What she was wondering about was whether he just expected her to kiss him because that was what strange women happened to do to him whenever he was around in a friendly helper-person capacity, or because he was hoping for it himself. "I wouldn't have considered it as inevitable, what with the... variables..." She was off, mumbling math-talk again.