Former caregiver David Cook reflects on the experience of caring for his dying wife and highlights the need for better help for other caregivers.

Their relationship has gained widespread attention online after Heavens shared videos of their time together, highlighting the "full circle" nature of caring for a man who once fought for his civil rights A Los Angeles-based caregiver never expected that one of the hardest chapters of his own life would lead him to someone who would feel like family.

He is now encouraging other caregivers to share "radical honesty about the disease" A widower is opening up about losing his wife to cancer, and why he chose to photograph her health decline over three years.

Caregivers report having become competent, strong, knowledgeable, empathetic and accomplished as a result of the experience.