The same thing goes for hot weather. When the mercury in the thermometer rockets upward, do a run in the middle of the noon-day heat. Don’t push yourself so hard that you pass out from heatstroke, but get used to a slightly uncomfortable temperature. You can do the same thing in any weather, be it rain or shine. Part of the reason humans have gotten weaker as we’ve insulated ourselves with technology is because we don’t experience variety in our daily lives. Make yourself a little uncomfortable, and all of a sudden you might discover that it isn’t nearly as bad as you imagined it might be. One
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