For those who (think they) have tried all of the techniques to handle their psychology and stress, perhaps this, which has worked for the most successful, might be something you can use.
From the Farnam Street Blog:
+ Stillness is the Key (Ryan Holiday) — The latest book from our former Knowledge Project guest is now available. Here is an overview: "All great leaders, thinkers, artists, athletes, and visionaries share one indelible quality. It enables them to conquer their tempers. To avoid distraction and discover great insights. To achieve happiness and do the right thing. Ryan Holiday calls it stillness — to be steady while the world spins around you. In this book, he outlines a path for achieving this ancient, but urgently necessary way of living. Drawing on a wide range of history's greatest thinkers, from Confucius to Seneca, Marcus Aurelius to Thich Nhat Hanh, John Stuart Mill to Nietzsche, he argues that stillness is not mere inactivity, but the doorway to self-mastery, discipline, and focus."