Why does our mind do the opposite of what we want

No.11086723 ViewReplyOriginalReport
Dont think of a pink elephant - chances are you will.

Performance anxiety you dont want to mess up, then you worry then you mess up and you cant stop worrying even though you know its the sole reason why you cant perform the task.

WHY does our mind work this way and not a more easy co-operative way?

How did it evolve to be this uncontrollable way?