Set realistic goals. Set priorities, and then take one thing at a time. Do one thing, and when you finish that, do the next. Talk over a stressful situation with someone you trust. If you find yourself reacting to feedback from others, tell them the best way to give you suggestions and feedback.
Criticism is never constructive.
Specific suggestions, information, can be. Eliminate blame and criticism. Express appreciation of and to others. Do something nice for someone else. Let them know it makes sense to you because. . .