One could begin anywhere with this genre, which is fraught with all sorts of complexities. This is one of the most ...erm... provocative among my holdings:
Gertrude and Jerry
The lingering question: how do they get their hats to stay on?
This one is in a class by itself, though there are plenty of others in both the mismatched-duo and falsified-locale categories:
a lifetime together, written in every line:
The obviously-married-couple genre often takes the form of she-stands he-sits (as my otherwise staid Nova Scotia neighbor puts it: "too tired to stand, too sore to sit"):
...but the opposite is also found:
In neither case is the prospective joy of lifelong companionship all that obvious.
...but this pair radiates satisfaction:
...and this pair probably has some good mileage:
With some it's difficult to imagine the Congress of The Antelope:
...but with others, the problem is reduced:
And here's a face we know from other photographs: Aunt Pora with Uncle Mervin:
...and from the same album, Uncle Henry and Aunt Addie:
This pair obviously belongs together, though they occupy facing pages in the album: