Does Anyone Else Make Themselves Sick With Worry?

Its a way of thinking that I have been dealing with since a very long time. Isolating myself isnt powerful. No. My rational mind knows this but, I have this somewhat illusional thinking that in the "not needing" I am powerful. This all began to get more intense when someone I knew well, suddenly decided to end all relationships. The Person came back to the surface and said that the isolation was needful. I come across people who do this, and they appear "strong" because they show no... Cutting Ties, Power, Admiration Of It
https://www.myptsd.com/c/threads/does-anyone-else-make-themselves-sick-with-worry.70087/