My mother-in-law Cynthia is now 87 and has reduced her knitting output. She finds it difficult to hold a pattern in her head she told me, but felt that she had one more teddy bear left in her. So I gave her some of my handspun and asked her if she would make that last teddy bear for me and that I would save it aside for any future grandchildren that I might have.
She must have really liked that idea because in short order there was this:
I'm happy to keep my mother-in-law in yarn for as long as she wants. Even if her preferred type is acrylic.