The problem is that in reality you have different faces: coworker, father, lover and etc. Neither of these are less real and many of them not necessary has real

The problem is that in reality you have different faces: coworker, father, lover and etc. Neither of these are less real and many of them not necessary has real name, you can be "Your Name" (without surname) for your coworker, "Daddy" for your child and "Honey" for your lover. I just try to explain why Google+ does not work for me at all.