If I'm trying to calm myself down and just stop thinking about something my mind has decided to obsess about I mutter to myself, over and over and over:
It works surprisingly well, especially if I am walking at the time.
p.s. It's falling into the final week of NaBloPoMo and so far, fingers crossed, I have posted every single day.
It's a tumbling tumult now into the final week (ish) before we leave on our trip.