If your door sticks or you’re always tripping over shoes, then you’re going to find friction at a moment when you really want momentum. This is mental, but it is physical, too. Instead of flowing smoothly out of the house in the morning, your body will absorb the force from that friction. This might make you grit your teeth or tense your muscles, which in turn might influence the way you handle traffic on your commute or how you greet your coworkers when you arrive at the office. It’s a small moment that can have knock-on effects throughout your day. The same thing happens in reverse when you
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