My job that I left was very stable. I could have been there for the next 10 years had I wanted to.
Not that I would have - I will always hate a job where I have to work for someone else - everyone else is an idiot in my eyes, so I will always hate being under idiots.
I moved because my fiancee is from here. She finished her Masters at Harvard and decided she wanted to go home for a few years and then go back and get her PhD later on.
I was okay with it, so we moved.