There’s nothing more difficult than dealing with a friend or client who is negative, often disrespectful, and yet completely unaware of his behavior.   In my experience, people who are insecure are also not self-aware. So a heart-to-heart about their self-centered ways usually doesn’t work. They will generally deflect that to you and try to play the victim–which is their preferred position. Sometimes they will apologize not because they think they have done something wrong, but because they think you are mad at them and they want to be back in your good graces. It’s not “I’m sorry I have wronged you,” as much as it is “I’m sorry you feel that way.” See the subtle and yet important difference? Here’s my approach: So we need to break the cycle of abuse, and the only way I have been able to do that is to wait until another “infraction” happens.…