You just made me realise that it might be related to why I like to sit on the same side of the table as my wife when going out (apart from easier food-sharing).

You just made me realise that it might be related to why I like to sit on the same side of the table as my wife when going out (apart from easier food-sharing). I think there's this interplay between privacy and intimacy. I don't want to give too much to strangers but want to get close when I decide to.