Sorry about that. Sometimes I don't look left. I just hope you can get rid of the stomach anxiety. I had a horrible time with it myself. It was the worst symtom I had in fact. The only medication that helped was Xanax and that was on top of some serious life changes. I quit drinking, smoking, caffeine, and eat better. I meditate every morning and it helps, but even with al of that I have bad days, so don't beat yourself up for having a bad day or two.
As a previous poster said as well. You are probably so used to thinking about work etc. that when you have downtime, your brain switches back to your anxious thoughts. I am the same way. Try word puzzles or reading a book or watching a good movie. You just have to keep your mind busy.
I hope you feel better. A career change may not be a bad idea in the long run though if it is the cause of your anxiety, but do some soul searching and decided what is important to you.