The man seems to be studying something in the distance, the woman is evaluating her next move.Or perhaps they have just returned to their car to find it has been vandalized and are looking around to see who might be on the scene.
Or that is the story I tell myself about them. So much of our relations are like that. Someone who hardly knows you is looking at you, telling themselves a story about you, piecing together your motives, your history, or pretending to someone else that they see you clearly.. It may or may not have any relation to reality, and may also be diametrically opposed to the story you are telling yourself which also might have little reality to it.
"Alas poor Yorick -I knew him well" - but did you? Hamlet gets away with saying that because he is speaking to a skull.....