It sounds like you're looking for a free PDF of Mujeres que aman demasiado (original English title: Women Who Love Too Much) by Robin Norwood (often confused with "Patricia Faur," who is another therapist but wrote different books like Mujeres que se aman demasiado — a common mix-up).
Patricia Faur’s genius lies in her tertulia style (a casual, conversational approach). Unlike cold clinical texts, Faur writes like a wise aunt who has seen it all. She validates the reader’s pain while firmly holding up a mirror. It sounds like you're looking for a free
A guide to building healthy, simple, and daily love rather than dramatic, addictive cycles. Available on Amores que matan Obsesionarte por resolver los problemas de tu pareja
La Autora: Patricia Faur