Avoid crankiness and bad temper. Record your slips. Give yourself a daily grade on temperament and strive to improve through daily monitoring. Avoid seeing only the negative side of things by counting your blessings, not your curses. It is so easy to become negative.
Older people have lots of aches and pains and sometimes severe financial worries.
Keep your spiritual life intact Many devoutly religious people work hard for the good most of their lives and then as they approach the end of their journey give up, waste away, and lose their faith. Spend some time each day outside in nature. If that is not possible, get some plants in your room and take interest in growing some plants too. Get your fingers in the dirt, lift your head toward the sky, watch the stars, the clouds, the changing heavens, and then turn your eyes upon the beautiful growing things and exult in the glory of life. Speak a good word, or do a good deed, or think a good thought about the positive nature of things.