Is it very early morning or late evening?
Is the operation in the background now run by the "kids" and did Mom and Dad move out to the bunkhouse?
Regardless, the piece reflects a timeless ease and peacefulness of two lovers who have grown old together and still cherish each other's company.
There is enough detail of the young woman's face to realize that she is not much older than 20 and there she is, running a household with at least two children.
The bird is a nice touch.
Back then, people did not go into a a twelve-year long state of suspended animation (adolescence). And they were better people for it.