They are able to show who they really are to each other.
A friend is always there through sadness and happiness supporting someone in all undertakings.
That legal stuff, well, you can try it while you’re dating, but it’s not advisable.
I could list story after story of couples who were dating, and attempted to combine their bank accounts and their end of life preparations where it turned into a disaster.
The physical contact that one shares between a friend and a girlfriend is on a different level.
One may hug or kiss a friend, but it is different from the way one touches, hugs, or kisses a girlfriend which is more intimate and personal.
It is a close association with another person who has the best intentions for the other, showing sympathy as well as empathy through understanding and compassion and honesty in everything especially in things where others cannot tell the truth.