Sometimes how you envision your retirement differs from how it actually plays out, and there may be periods of uncertainty. Another way to approach the discrepancy between your retirement dream and the reality is to adjust your expectations. If you have an appropriate long-term asset allocation plan that’s readjusted periodically and you live within your means, you can redefine your “ideal retirement” as you go.
Source: 5 things to think about on your journey to retirement
My comments: Lots of food for thought here…