Many good suggestions already. I'll just mention what hasn't already been mentioned. You might try reading "How to Stop Worrying and Start Living" by Dale Carn

Many good suggestions already. I'll just mention what hasn't already been mentioned. You might try reading "How to Stop Worrying and Start Living" by Dale Carnegie. I have found it helpful in the past. Prayer. As a Catholic, I frequently pray the rosary and often remind myself of "thy will be done on Earth as it is in Heaven".