He looks up very briefly, awkward. Then his sandwich needs further attention.

"It's something to do," he says. "I try to do it at the same time every day, and it - makes it easier to keep track of time passing here. Kinda gives shape to the day? And. I mean I was in really lousy shape before. I didn't even know how shitty I felt all the time until I felt better. I mean it was the nanogenes, but running helps keep it up. I run twice as far now because I can."