When is it time for a new job?

I subscribe to quite a few newsletters, and one of them is for job hunters. I have a great job, maybe the best job for me, but I like to keep in touch with what's going on because I, well, I have job insecurity and worry about being without a job. I think this is leftover from childhood. I also want to know how to help others in finding their dream job. Recently there was a question asking when it was time for a new job How can you tell (for yourself) when you should be seeking new opportunities? It might not be easy to recognize for many of you. Perhaps you don't realize there are other opportunities you might appreciate because you're comfortable. Perhaps you're the frog in water that's being heated so slowly that you don't realize how poor your current situation is for your health. Read the rest of When is it time for a new job?