This is the story of a 59-year-old chimpanzee named Mama. She had begun to feel that her time to leave was near which leads her to be depressed. She stopped eating and drinking, this made it worse.
When an old friend professor Jan Van Hoof come to visit her. Mama did not recognize him immediately but quickly remembered. This was an exciting moment, she caressed her hair and face. Her hands trembled with emotion, it was unexpected for her.
She even smiled this made the professor cry. She could not be happier, start eating.