What are some tactics you've learned to deal with the "Winter Blues"/Seasonal Depression

Burpees (or jumping jacks if you can't do burpees) get the blood flowing and oxygenated.

Preferably with someone. Research shows we are less likely to laugh when we are alone.

Giving support is linked to increased activity in the reward system area of the brain.

Maybe a glass of red wine and some chocolate as you read a good book while in the tub.

Let them choose the game and become immersed in a world of make-believe.

Make sure there is something uplifting (but legal) in the fondue.

Describe the sight, sounds and smells. Everything from the insects under the foliage to the birds in the sky.

Notice the cold, the damp, and the dark. Notice how they feel on your skin, and how they affect the visual and auditory senses. What sensations are present that you don't get in the summer.