You think more than 5 jobs in a lifetime is unstable? I've had about 5 different careers, and I'm only just into my 50s. If you don't change directions occasionally, you get stuck in a rut.
"'[Shadow Chancellor George] Osborne said that despite a government report in 2004 saying there would be "significant savings" in hardware and software if open source software was used, many government departments had not implemented it. "The problem is that the cultural change has not taken place in government,"'.
The two most common things in the Universe are hydrogen and stupidity. -- Harlan Ellison