I'm the primary caregiver to my 87-year-old mom. It's the least I can do after all the years she watched out for me.

Trisha Martin is her mother's primary caregiver. Courtesy of Trisha Martin Trisha Martin has cared for her mom for the last two years, ever since she had a stroke. She does it unpaid while running her small business from home. The grandmother of six described her eldercare duties as being essential in the "circle of life." This story is based on an interview with Trisha Martin, 58, a spiritual therapist from St Louis, Missouri. It has been edited for length and clarity. My 87-year-old mom —...