The older neighbor may enjoy company without wanting an entire afternoon rearranged.

Offers of help sometimes arrive at a scale that has to be refused. A visit requiring a cleared day, a tidied house and a lunch is a project, and turning down the project can look like turning down the company. Small and regular is usually more welcome than large and occasional.

Knock for twenty minutes instead of proposing an outing. Bring nothing that needs returning, sit down where you are put, and leave before anybody starts wondering how to end it.