Nahum Daniels discusses the key retirement risks not sufficiently explored by investment-trained advisors who focus only on returns from stocks, bonds and cash. Risks include unprecedented retiree longevity, inflationary losses of purchasing power, demographic drag, market volatility and investment losses and, above all, adverse sequence of returns that can undermine lifestyle sustainability. Social security should be seen as supplemental to the nest egg. Nest egg is ascendant. Pensions are secondary. Viability of social security is questionable. Protect retirement lifestyle. Cultivate a positive retirement psychology.