Rest when energy is insufficient to avoid doing more harm than good, differentiating between motivation and energy.

“There are periods of my life, where I have very little energy, where I can't shower standing up, for example; I know I've that kind of energy to- - Because of the MS. - Because of the MS. - And, what it teaches me is, first, the difference between motivation and energy. So, I can be unmotivated to go to the gym, but if I can overcome the motivation problem, I often have the energy to work out. On the other hand, sometimes I don't have the energy and then it is important for me to stop, right? Because I can do more damage than good.”