M.A - Psychology, PhD - In Behavioral Science and Management. Since 1978 I've practiced both as a personal and family counseling psychologist and as a management consultant. From the 90' I've been involved in developing and practicing online counseling processes.
Marriage life complications have many explanations, theories and treatment approaches.
Mine is that everything relates to satisfying relationship: either with yourself, or with your significant other. Sexuality and personality fit are the key factors that explain satisfying relationships.
Regarding business behavior and results:
If you do things right - you are efficient