To keep the heart unwrinkled, to be hopeful, kindly, cheerful, reverent - that is to triumph over old age.
The only kind of coercion I recommend is mutual coercion, mutually agreed upon by the majority of the people affected.
The passage of time is a continuing thing. At 18, you're going to live forever, and you are definitely not at 52, so that is a recurring topic. I still think it's the main stuff.