If we went through our days without any obstacles, it would cripple us. We would not be as strong as what we could have been. And, we could never fly...
Built-in behavior and reactions no longer necessary to protect/armor self such as criticalness, the tendency to overreact compulsiveness, defensiveness, offensiveness, etc.
An addiction to a person and that person's problem. An addiction to a relationship and the problems the relationship brings. A dependency on people and things outside self to the point of self-neglect.
M. Scott Peck: 'The quality of discipline afforded by loving parents is superior to the discipline of unloving parents. Loving parents will frequently agonize over decisions and suffer along with their children, which the children perceive and learn to suffer themselves, which is the beginning of self-discipline.'