"Kick bad mental habits and toughen yourself up."—Inc.Master your mental strength—revolutionary new strategies that work for everyone from homemakers to soldiers and teachers to CEOs.Everyone knows that regular exercise and weight...
Price history
▲15.4%
Oct 5, 2022
€14.43
▼-7.15%
May 6, 2022
€12.50
Oct 25, 2021
€13.46