Contemplation of life after retirement and life after death can help you deal with contemporary challenges.
Ask the missionaries, they can help you
Fasting gives you confidence to know that your spirit can master appetite . . . and helps to protect against later uncontrolled cravings and gnawing habits.
Focusing on the Lord and everlasting life can help us not only at Christmas, but through all the challenges of mortality.
When priorities are proper, the power to endure is increased. And when internalized, those priorities will help keep you from "going overboard."