Even if he permitted Kirk certain liberties where his personal space was concerned, it was still something to get used to; it took a conscious effort not to shrug out from underneath the other man's arm.
Even so, he almost did it anyway at Kirk's next question. While his relationship with Nyota was hardly considered a secret anymore, it wasn't often that people discussed it with him; he was unaware if it was something Nyota herself talked much about. Still, to be asked such a question implied that, somehow, Kirk had discovered there had been a problem. He narrowed his eyes ever so slightly.