If you were a medieval knight going into battle with a full suit of armor, the advantage you had from the metal’s protection was offset by the extra energy it took to haul around so much extra weight. In fact, historians say this is one reason that a modest force of English soldiers defeated a much larger French army at the Battle of Agincourt in 1415. The Frenchmen’s armor was much bulkier, and by the time they slogged through muddy fields to reach their enemy, they were too tired to fight at peak intensity. The moral of the story, as far as you’re concerned: To win a great victory in the coming weeks, shed as many of your defense mechanisms and as much of your emotional baggage as possible.
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