Glide floss. My teeth absolutely shred every other brand, but Glide is coated with Teflon. Made regular flossing possible.
I stopped watching news years ago. Improved my mental state massively.
Stretching every day, right after work, has been a win as well. It’s a good end to the day, I’m way more flexible, and overall feel happier.
Whenever I feel angry or frustrated, I ask myself what outcome I want from the situation, and focus on how to make that happen. Helps me avoid acting counterproductively on emotion.