This quote means that when you are by yourself, you can take the time to relax and recover. You can spend time doing things that make you feel good and restore your physical and mental energy. This could involve activities such as taking a bath, going on a walk, spending time with a pet, or engaging in self-care activities such as meditating or journaling. When you have time alone, you can take this opportunity to do things that make you feel good and restore your energy.