[ Cain pushed his hair back from his face with spread fingers, face sweat damp and flushed, but... grinned. Shook his head and made a flicking motion with his fingers. ]

It's... gene mods. Mars is... a harsh place, right, and... so that we can survive it, a little after conception, right, kids are... changed. Denser bones, and a couple other... weird things that would take a long time to explain.

But also... Back home, I fought into the morning. Every day. Only way I could sleep. I'm kinda just...

[ He gestured at his face, and tried gingerly to clean the blood off his face with the edge of his sleeve. ]

Fucked up in the head. Too tense. Did I get most of it?