when our hot system makes us focus on the present temptation in life, there is no one to cue us to make the distant consequences hot and the immediate gratifications cool. To master self-control, we have to instruct ourselves. And that won’t happen naturally because in the face of temptations, the hot system dominates: it discounts delayed consequences, it activates faster than the cool system, and as it accelerates the cool system attenuates. This dominance of the hot system might have served our ancestors well in the wild, but it also drives us to the default reflex of giving in to
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