Practicing Martial Arts can/should be a lifelong pursuit; it creates strength and balance. In some cultures, as people age, they become sedentary and lack the motivation and stamina to stay active. However, historically if you look at countries that incorporate Martial Arts into their lifestyle, they remain physically fit and have a continued sense of purpose with goals to achieve.
https://www.youtube.com/watch?v=2gkBhN4A9Dw