Exercise. Especially challenging hikes in wilderness areas. This is easy because we live in a forest. It's like a meditation. Face to face interaction with people. Because we choose to live in solitude the impact of interacting with others when the opportunity arises is striking. Time with my dogs. When I question my sanity or wonder about the future of humanity, I play with my dogs. I've had to give alcohol and most all of caffeine a miss for many years. They're no longer compatible with my health. I sort of miss them sometimes. I do partake of some decaf green tea for the theanine, which has a noticeable effect on mood and improves my quality of sleep. Proper sleep has a huge impact on mood and outlook. Music/literature that moves me.