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Some martial arts are very popular—real crowd-pleasers—because they look good and have smooth techniques. But beware. They are like wine that has been watered down. A diluted wine is not real wine, not good wine—hardly the genuine article. Some martial arts don’t look as good, but you know they have a kick, a tang, a genuine taste. They are like olives; the taste may be strong and bittersweet, but the flavor lasts. You cultivate a taste for them. No one ever developed a taste for diluted wine.