{{{{{{{{{{Debbie}}}}}}}}}}} It's pretty certain that it's a low grade anxiety. You have anti-anxiety meds, don't you?
Sometimes it comes on without warning or a reason, sometimes it's added stress or it can be a trigger from the past. I figured out, finally, a couple of the things that brought it on for me. I've been under some stress with everyday things that sometimes just don't get processed as quickly as I need to process them and let them go and something that normally doesn't bother me any more will come up. That's what happened the other night. Jerry read a short article off the Internet to me about someone starting a program or a site or a service or
something where people can email loved ones AFTER the Rapture.

That got my imagination going and obviously went off in the wrong direction.
I'm much better now, though.
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.