Questions
Is what you are worrying about in your control?
If you have no control or influence over it then how much energy will you give to it?
When can you react or do something about what is worrying you?
Can you do anything to change the situation?
Can you materially change the person that is causing you to spend time, energy and happiness thinking about them?
Possible answers for yourself
If you cannot fix something now and it is not in your control then you do not need to spend time, energy and happiness thinking about it
If you cannot change the person then you do not need to spend time, energy and happiness thinking about it
Accept the reality and focus on what you can control
Company / Department / Client is badly managed – this is outside of my control and was not my decision
I cannot change people, only they can change themselves
Successful International Project Management 