In this talk from Dr. Rick Hanson for his Wednesday Night Meditation + Talk series on Brain Tips for Deep Calm.
You can see the meditation that went along with this talk here:
https://youtu.be/1wgX-vktDe8
And if you'd like to join the free, online Wednesday Meditations, sign up here: https://www.rickhanson.net/teaching/wednesday-meditations-with-dr-rick-hanson/