As Nicole Baxter opens the door to the modest but cozy apartment lit by midday sunlight, Coco runs to greet her.
Baxter, a visiting nurse, pets Coco, a Burmese cat with glowing green eyes, and murmurs in between her ears, "How you doing today, Coco?"
Coco's owner, Ellen Belden, watches as her 9-year-old companion welcomes her visitor.
Today, Belden, who pets Coco with hands gnarled from years of battling rheumatoid arthritis, has a bandage on her left arm, and Baxter quickly takes notice.