I actually recommend Judo/BJJ as a form of exercise that lets you apply and sharpen your problem-solving skills, aside from getting you very much in shape. I tr

I actually recommend Judo/BJJ as a form of exercise that lets you apply and sharpen your problem-solving skills, aside from getting you very much in shape. I tried keeping track of stats and stuff, but often give up because it's too much work. The mirror check is far more effective. (Am I fat? yes/no)