Don't be angry because you have Things you can't control in work

 In work you should know that future have Many surprises.   And if you were not ready for them would fall into the swirling of the conflict and will not keep pace with change 

: like 

your company could Merge with its largest competitor ... In the worst cases,

 or 

Your boss has changed

The future is open to many possibilities

And happy people are the ones who are preparing themselves for it and adapting in the event when event for.

.Change is the basis of life and is what everyone is seeking to