If it is a low pile, such as a horse stance just look pile, it is normal to start standing right or wrong. You don't have to worry if you can relieve yourself. If it is round or something, it still hurts after standing for a long time. It may be that the posture is not standard (for example, the knees are on tiptoe and the center of gravity is in front ...). If you master the essentials, you can get better. Generally, the center of gravity of a round pile is at Yongquan point. Sit back a little, just like sitting on a paper stool, but you can't collapse.