Sign up for our twice-monthly Your Health newsletter for the latest on the coronavirus pandemic and more. Writing a will isn't the most pleasant of tasks. After all, by doing so you're not only acknowledging your own inevitable demise but actively planning for it. That might explain why so many adults avoid this cornerstone of estate planning. But creating a will is one of the most critical things you can do for your loved ones. Putting your wishes on paper helps your heirs avoid unnecessary hassles, and you gain the peace of mind knowing that a life's worth of possessions will end up in the right hands.