Something about being surrounded by nature at its most beautiful is so spiritually uplifting that I can't recommend enough: get out of the house and office! Go to the forest, the ocean, the desert, even the park. Let nature fill you with its wholesome rightness.
Here's a quote from the young man below: Take a Moment. Be without question. Realize you are Nature, one part of her. It's breathtaking...to be alive!