Yeah, you know... anatomy changes. You wake up one day and your body is completely different. They did that sort of stuff a lot.

[Okay, probably not a lot, but it sure as hell felt like it to him so that's the story you're getting. Here, have some irony while he's still talking.]

The other place I was in made it so that you couldn't get warm by conventional means, and food wouldn't satisfy your hunger. They weren't quite as boastful about their control over us, though.