Dear Jim, Over the years, I’ve spent I-don’t-know-how-many hours in dojos of various lineage. Now, older (but only questionably wiser) I’ll toss out a few caveats for the consideration of anyone who wants to undergo marital arts training: 1. Decide from the outset why you want to learn a martial art and do not deviate from that goal. If it’s for recreation, exercise, balance, spiritual enlightenment or whatever, that’s fine. Practice kata to your heart’s content, learn how to breathe into your danjun and meditate until ch’i runs from your pores. But – recognize from the start that the vast …