“Pain. You can get used to pain, Lieberman. You can adjust to it. You can adjust to pretty much anything. Just as long as there’s routine, right? Routine. Human mind, it craves it. Needs it. But if you take that away, that’s when you start to lose your shit. When you take away day and night and food.…”
— Steve Lightfoot, Ken Kristensen, Frank Castle, Jon Bernthal, imdb.com