What is the role of the homemaker in later years?

An email came from a US reader, Abby, who asked about being a homemaker in later years. This is part of what she wrote:

"I am a stay-at-home mum to 4 children, ages 9-16. I do have a variety of "odd jobs" that I enjoy - I run a small "before-school" morning drop-off daycare from my home, I am a writing tutor, and I work a few hours a week at a local children's bookstore. But mostly, I cherish