"As an active psychiatrist treating individuals who have trouble 'doing life,' this practical workbook will be my go-to recommendation for them to read. The very simple, both easy-to-read and implement parasympathetic power techniques that Van Dijk teaches, will surely pay off to enhance anyone's interpersonal relationships."—Stephen B. Stokl, MD, FRC.P (C), assistant (adjunct) professor of psychiatry, and faculty of medicine at the University of Toronto; and author of Mentally Speaking