Four Foundations: Mindful of Feeling

The Vedana, or feeling tone, of an experience is the instinctual sorting of that experience into a category: pleasant, unpleasant or neutral. Most of the time we are not aware that we sort our experiences like this, but the feeling tone nevertheless guides our actions in the world. When we become mindful of this largely unconscious sorting, we see into impermanence, let go of the idea of the separate self, and cultivate equanimity.

https://www.youtube.com/watch?v=-fgjJTyjTpg