Practice by yourself. If it is for the purpose of fitness, then don't go, because you may not want to go after a real battle, and you will suffer some psychological trauma! Let's focus on work, or tell the coach when we go, occasionally play actual combat, focus on fitness and physical fitness ... just run, play air, do strength or something ... and it will be useful in any special situation in the future, because I think I am a boxer ... You little monkey dare to stand in front of me (I don't think so after several actual combat ...) ... OK!

God, I seem to be irrelevant. You mean, just like the roller skating rink, rent their shoes and venues to skate, instead of training like athletes, so I advise you not to go (just running, for the purpose of fitness, you won't run if you can't stick to it, but training, you can't run leisurely, you must take the physical limit as the standard and give up halfway. This is different. Go and play badminton. ...