Since Alex likes to takes pictures and John does not, that often means there are few pictures of Alex or of Alex and John together. Always being behind the camera means never being in the photo.
Unless you take a selfie.
But Alex is pretty terrible at selfies. The evidence:
This one is not so bad though.
It’s not that Alex is vain and likes to take pictures of herself all the time. But years of being behind the camera have taught her that sometimes you want to have evidence that you did something or went somewhere.