Relieve Distress By Allowing It: Compassionate Abiding 101 | Mindset: Perspective Is Everything

And then here are links to 6 articles, from Psych Central's archives, on the subject of coping with such things as painful emotions & intrusive thoughts:

How to Sit with Painful Emotions

8 Tips For Dealing With Painful Emotions | Cultivating Contentment & Happiness

Several Ways to Sit with Your Feelings

A Technique for Feeling Painful Feelings

https://psychcentral.com/blog/how-to...sive-thoughts/

https://pro.psychcentral.com/recover...sive-thoughts/