In her book, Thank You Power: Making the Science of Gratitude Work for You, Deborah Norville notes that common sense told her that, in order to be happy, you must "focus on what you've got—not what you've not." And, as her hunch and the research she uncovered proved, if you notice and acknowledge the good things, you'll reap surprising life improvements. Click here for Deborah's thoughts on how the thankful life can help caregivers like you.