A little girl who finds a puzzle frustrating might ask her busy mother (or teacher) for help. The child gets one message if her mother expresses clear pleasure at the request and quite another if mommy responds with a curt 'Don't bother me - I've got important work to do.'
Somehow knowing that Alzheimer's is coming mocks all one's aspirations - to tell stories to think through certain issues as only a novel can do to be recognised for one's accomplishments and hard work - in a way that old familiar death does not.