Don't go for 100%
From the Farnam Street Brain Food newsletter: We live in a society that praises all-out effort. But giving a task 100% of your energy can lead to burnout, over-exhaustion, and injury. Jackman believes in the “85% Rule,” which means that intensity, force, or stress should never override form, technique, and preparation. Jackman elaborates: “A sprint coach realized that [Olympian] Carl Lewis did nothing at the 50-meter mark; his breathing and form was exactly the same....