Running laps is a perfectly acceptable form of exercise, thank you very much. At least the scrutiny doesn't bother him; he's rather used to it. And he's definitely not thinking about why he's used to being observed.

"Got the energy to burn," he replies. His metabolism is jacked up just like everything else but even so, he still needs to put the effort into training. There's far too much that he doesn't trust about this place to be caught unprepared, to allow his self discipline in his training regimen falter.

Besides, while there are a fair few of them in this place whose abilities seem enhanced above those of a normal human, not everyone is.