DEAR MISS MANNERS: My friends and I live in a retirement community that takes good care of us, in part by putting little levers near the tops of our apartment doors that our security personnel flip up at night. It is our responsibility to open the door when we arise, which allows the latches to flip down, indicating that we’re up and probably not in trouble. Our etiquette problem comes up when my friends and I walk for fellowship and exercise. We normally walk outside, but when the weather’s bad, we walk inside, up and down the halls. This is common in our community, and it is generally accept…
