Being offended is not a necessary condition for fixing a problem.
We don’t have to take things personally in order to take them seriously.
In most cases, the emotional resources we exhaust psychoanalyzing the people who disappoint us would be more profitably invested in refining our methods for getting what we need.
It’s difficult to find time and energy for strategizing if we’re too busy demonizing.
People will let us down. That’s just a fact of life. The ability to cope with that fact without making precious martyrs of ourselves is the first step to effective problem-solving.