Fast. Pray. Give.
/Fast
Think of someone whose life you are tempted to envy and then choke out the words, "Thank you, God, for the blessings you have given to X. Help me to see my own."
Pray
Take a walk, even if it's cold or raining. (Leave your iPod and smart phone at home.)
Give
Think about the kind of person your husband married. Be the best of that person for him today.