The things that we have to truly work for to achieve generally require suffering. Hard work, is, well, hard. It requires us to evolve.
In order to make that growth, we have to break ourselves down to build back up. That's true in a physiological sense of muscles, but also at the macro level of life.
Download my brand new e-book "Strength Training for Young Runners" where you can have your young athlete be safely introduced to strength training at home or at your local fitness center
https://www.ghperformance.com/strength-training-for-young-runners