Gen rubbed the back of his neck, then held out his hands as if anticipating needing to calm him down. "Err. Well. Over a year?"

"Which, I mean ..." Gen laughed a little nervously, "those people are on the, uh, extreme end of the scale. You know? Some people are only ever here a couple of weeks, but, um. That's ... also on the other extreme. Most seem to be ... somewhere in between that."