In 2018, eighty-four-year-old Gloria Steinem was asked, “Who are you passing the torch to?”80 “Nobody,” she said, laughing. “I’m holding on to my torch. I’ll let other people light theirs from mine.” Hold on to your torch. Do not go gently. And don’t forget to laugh. Whatever’s going on around you, remember to laugh. Appendix Rejuvenating your Brain Don’t retire.