Tattoo Session

Every serious collector knows the wall. It arrives somewhere between hour two and hour four and when it does the session changes completely. Pain tolerance drops, composure goes, the ability to stay still suddenly requires effort. Most people chalk it up to mental toughness. Artists who have watched it happen across hundreds of sessions know it is far too consistent and physiologically specific for that. Here is the exact biology behind why the wall arrives when it does — and why it is not a character problem.