I've heard it said that when "stinkin' thinkin'" sets in, the best thing to do is a gratitude list, and the biggest mental bang-for-your-buck comes when you do an alphabetical list. There are not a lot of rules for this-- the purpose is to get you thinking of the things that bring you joy today. (This puts those mental pathways on a positive track and stimulates good chemical reactions in the brain-- helping us be more focused on constructive actions than paralyzing negativity!)
Yesterday I heard a woman say that her gratitude list made her laugh because when she got to "E" all she could come up with was "eggs." When she told the story, everyone got a good giggle too.
So, without much forethought on the matter, here's today's A to Z gratitude list (this one had a decently food-heavy focus for some reason!):
Urdhva Mukha Svanasana