Retirement doesn’t have to be a dull chapter. The key isn’t endless activities, but reigniting challenges that keep you sharp. Push your limits, learn something new, or set a goal that excites you. Stay not just active, but mentally agile and full of energy. The trick is to reintroduce difficulty—because without struggle, there’s no growth.

This article was AI-summarized from Lifehack.org. Read original on Lifehack.org