Use a radio alarm to hear a voice when I wake up.
Turn on the radio before I leave.
Plan something pleasant to do as soon as I get home. Read a book, brew herbal tea, call a friend, take a bubble bath.
Leave a light on to welcome me home.
Consider getting a pet: dog, cat, bird, or maybe fish.
Invite someone to my house each week for coffee, a meal, or a project.
Buy some houseplants and talk to each one. (It's supposed to make them flourish and grow.)
Interact with someone every day, on the phone or in person.
Change the area where he always sat to make it look different.