Successful Aging: I don’t have children, so who will help me as I get older?

Q. I am in my mid 60s, live alone and never had children. Many of my friends talk about how their children and grandchildren are such a large part of their lives. I don’t have this. How do I look ahead and plan for a time when I will likely need help and there won’t be family around to help me? S.K.
Dear S.K.
You have raised an important concern shared by Sara Zeff Geber in her recently published book, “Essential Retirement Planning for Solo Agers” (Mango Publishing, 2018