I think also that there is something to be said for 'staying in the game'. The most important thing should be taking steps to make sure you are still around and

I think also that there is something to be said for 'staying in the game'. The most important thing should be taking steps to make sure you are still around and working on the right problems in 4-5 years. Sometimes that requires taking it easy, sometimes that requires working harder. If you are still around then there is a chance you will also be making progress.