Intriguing theory. If you ever write it, I’d love to read it. :-)
I might write it as a short story, told by an aging retired WWII veteran, in remembrance of a great love affair related to him by a soldier he helped to recover from the coast of France in 1943. The rescued soldier would have related his love affair with a rich French Lady who harbored him from the Germans when he infiltrated France prior to the allied liberation. ... Come to think of it, the story may already have been written and used as theme for a movie! It sounds so good, it must have already been done.