Athleticism

You don’t have to be athletic to do Jiu Jitsu, but it helps. If you’re not athletic, BJJ is probably going to be an uphill battle for longer. So how do you make it through the levels when it’s so hard? Mostly being stubborn, the only way to make it to BJJ black belt is force of will. You’re going to get beat up, injured, sore, and possibly discouraged the only way through that is to show up. Eventually you’ll make progress, and continual progress makes a black belt.