Is the wedding photo when the man is left and the woman is right when looking at the photo or when sitting?

Whether to look at the male left or the female right when taking pictures. Choose which side of two people's faces is more photogenic when taking pictures. Among them, women are dominant.

Then see who is fatter and will be placed in the back position.

I am a professional photographer, engaged in photography for thirteen years. That's what I know about photography.