I would venture a guess at saying your wife is in a bad mood because you AREN'T in a bad mood. You're not sitting around the house, moping and depressed, waiting for her to pay attention to you.
YEAH!!! Good for you. Plaster a smile on that face of yours and continue to act in a bright and sunny manner. People want to be around happy people, your wife included. Whenever you start to feel down, or you feel yourself start to waiver, go back to that success story and read it again.
Keep DBing... vent here when you need to, but at home, you are happy, happy, happy!!