The reassess and redirect to still meet your goals. Rigidity causes unnecessary stress. Lay back just a little. Go easy with criticism - of yourself and others. Don't be a perfectionist.
Recreation is essential for good physical and mental health.
Isolate yourself enough to find some time for what you enjoy. Jot down your ideas - keep a pen and paper with you at all times. This helps you remember things and eliminates the stress of forgetting. Keep priorities straight - keep your perspective clear. Many minor stresses add up.