It is too late for me to change, and if it's expected, I won't be able to handle it. Such strategies can only work counterproductively in relieving long-term stress. Klarreich urges anxious people to find a friend, a book, or a resource to help them master some procedure that will relax them. Managing tasks and interruptions, and making at least a tentative daily plan, helps you accomplish critical or urgent jobs - those that create the most stress. The simpler the management plan, the better.
Mistakes happen and nothing terrible results.
There is usually no one clear right and wrong way to do things. I will accept criticism and see how I can benefit from it. I will not demand approval. I will not demand of myself that I always be competent, though I will certainly strive for competence. I will not be fearful in the presence of authority.