I found this link while surfing through blogs...I'm pretty sure this is an exercise from The Artist's Way by Julia Cameron.
Touchstones: Make a quick list of things you love, happiness touchstones for you. River rocks worn smooth, willow trees, cornflowers, chicory, real italian bread, [etc.]. Post this list where it can console you and remind you of your own personal touchstones. You may want to draw one of the items on your list–or acquire it. If you love blue velvet, get a remnant. . . Play a little.
Here is my quick list: