[ Peter snorts as soon as Nathan starts talking about himself -- of course he'd take it all to mean him, and only him. It's more complicated than that, and Nathan's still stuck taking it all as if Peter's thoughts circle around only one thing. And while that might be true to a certain extent, it's not always true, and Peter shakes his head slowly, uninterested in Nathan's grumblings. ]

Thing is, people don't get to learn that particular lesson until the fuck it up themselves.

[ Glancing back to his brother and pulling his coffee closer, he gives Nathan a particularly bemused stare, waiting for Izzie to come trotting back. ] And your morality's not what I was putting under a microscope.