Keep learning. Learn more about the computer, crafts, gardening, whatever. Never let the brain idle. "An idle mind is the devil’s workshop. And the devil’s name is Alzheimer’s."学无止境。多学学电脑、手艺、园艺等等。不要让你的大脑闲置下来。无所事事是魔鬼的加工厂。魔鬼的名字叫“痴呆症”。