I have a couple of people in my life that are completely honest with me just as I am with them. This spoils me. It is a phenomenal aspect to relationships, however. An honest relationship is a treasure to cherish, something to nourish. Rewarding.
Think about all of the interactions that you have with people. Everyone puts on at least a little mask. Everyone pushes away at least a little to protect themselves. Many people push away a lot - hide as much as they can. You know, as you read this, that you do. If you don't then the result is often painful to you. So you resist being open to people. And you likely assume that the person that you are interacting with also wears a mask.
I'm not talking about criminal-level lies and dishonesty. I'm talking about people hiding a little bit of truth from you. Often under the guise of protecting you, but dishonesty is selfishness - they are only protecting themselves.
Take the humorous "does this dress make my butt look big?" question. The answer is a lie because it is easier than dealing with the dynamics of this situation's truth. Without the mask you may have to face things about yourself that you do not want to face. Things you subvert and hide.
My issue is that I can be blind sided by people that I hope will be honest with me. I always make the first move with honesty. I take people at their word. All to often when I share myself in this completely honest way I get hurt. I then come to realize that I've only seen a mask on the other person.
Very often it is as painful for me to be dishonest with someone as it is to be honest. I will always pick the route of honesty, even to my own detriment.
There are a lot of people I know - a lot that wear this mask. For some the mask is so heavy that it burdens them more than it dissuades me. If the sh!t hits the fan, I'll keep them at the flashy end of the boom stick. Other people wear very light masks - they can be in my camp along side me. Very few, very very few do I trust completely. And they know who they are because I've been fully open and honest with them.
I have a couple of these honest relationships. It isn't magical: it has to be worked at. The foundations for honesty are acceptance and trust which I think are very unnatural for most people. I wish more people would work at this. It is a lot of work, but very rewarding. It is the ultimate "I have your back" when you can turn to someone who you trust completely.