When I tell humans out in the world what I do I’m often asked—usually after a glum confession to being “the tightest person in the world”—what a person needs to do to get more flexible. It’s funny, because people don’t usually ask that about how to get stronger, or how to get faster, or better at a sport. But flexibility is still cloaked in mystery. The old school approach to flexibility, suffering in a stretch until you get sick of it and give up, is understandably unpopular and lots of people