It is a fundamental law of nature that to evolve one has to push one’s limits, which is painful, in order to
gain strength—whether it’s in the form of lifting weights, facing problems head-on, or in any other way.
Nature gave us pain as a messaging device to tell us that we are approaching, or that we have exceeded, our
limits in some way. At the same time, nature made the process of getting stronger require us to push our limits.
Gaining strength is the adaptation process of the body and the mind to encountering one’s limits, which is
painful. In other words, both pain and strength typically result from encountering one’s barriers. When we
encounter pain, we are at an important juncture in our decision-making process.