One of the most valuable lessons I’ve learned as a child came from a character named Edmond Honda, better known as E. Honda, from the 1994 movie-version of the game, Street Fighter, which starred Jean-Claude Van Damme and Kylie Minogue.
There was a particular scene in the film where E. Honda was being whipped by one of M. Bison’s men. And the whole time while he was being whipped, he remained cool and calm. He never yelped or screamed or even made a face. After his torture, I don’t remember if it was Ryu or Ken who asked him how he did it. And E. Honda answered that it was basically all in the mind. He could be physically present, but he could divert his mind to be somewhere else.
A lot of times, when I’m going through something difficult–like sprinting during plyo sessions, or getting painful facial/waxing treatments, or having my blood tested, or pouring hydrogen peroxide on my wounds, I simply think the way E. Honda thinks.
And strangely enough, when I find myself doing what he does, the pain or discomfort seems to disappear even for just a while.