Retirement can be a scary prospect if you go in unprepared. But what exactly does being prepared mean? You'll see plenty of articles highlighting the danger of entering retirement without a sufficient nest egg. You'll also hear plenty of dire warnings about the need to plan for the whopping expense that is healthcare, as well as the need to secure long-term care insurance. But here's one major hazard associated with retirement that doesn't tend to get the same level of press: the boredom factor. And if you're not careful, it could hurt you more than you ever imagined.

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