The issue of loneliness and abandonment is often mentioned. A large majority of seniors are widowers, which intensifies the need for affection and the feeling of loneliness.
There is a clear need for seniors to interact with others and entertain themselves in their extensive free time.
It is very easy to establish a conversation with an elder. On two occasions I just stood next to them and they started talking to me. You can tell that they want to interact with others.