Dear Abby: I am reaching out as a single mother grappling with a serious heart-lung condition. My son's father abandoned us when I was pregnant, and I haven't heard from him in more than a decade.

DEAR ABBY: I moved across the country nine years ago to be closer to my parents as they age. They are now in their early to mid-80s. My mother has recently had a few falls. One was bad enough that she ...