A hundred sixty years ago my grandparents would have been from different countries that happened to speak German. A hundred seven years ago I had ancestors fighting each other in World War I. Now we act like it's all one group that was in lockstep with each other.

There are three or Four Chinas if you ever actually look. We treat it like there's one.

The fact that two people met and fell in love despite their differences is just part of dealing with our modern world.