Abstract
Psychotherapy is entrusted with the ingrate mission to fight an enigmatic and demanding scourge of humanity—mental illnesses—with all its emotional suffering and personal distress, let alone their behavioral, physiological, interpersonal and societal consequences–and if this would not be enough a challenge, psychotherapists are left alone to their own devices, which is nothing more than words and wisdom. Thus, the feat to achieve clinically relevant sustainable changes and reductions in face of these demands and possibilities can hardly be overrated.It might be reasoned that this is made possible by the constant evolvement and refinement of psychological models and methods, which underlie, stimulate and steer...