Most of these self-help books are available in audiobook format. Sometimes triggering material goes down easier if you consume it on a walk. The following are Amazon Affiliate Links:
Addiction to Love – Susan Peabody
Adult Children of Emotionally Immature Parents – Lindsay Gibson
Attached: the new science of adult attachment – Amir Levine and Rachel S.F. Heller
Beware of Pity – Stefan Sweig
Breaking the Cycle — George Collins
Can’t Hurt Me – David Goggins
Children of the self-absorbed: a grown-up’s guide to getting over narcissistic parents – Nina Brown
Complex PTSD – Pete Walker
Falling in Love: Why we choose the lovers we choose – Ayala Malach Pines
Feeling Good: the new mood therapy – David Burns
How to Break Your Addiction to a Person – Howard M. Halpern
How to Think Like a Roman Emperor: the stoic philosophy of Marcus Aurelius – Donald Robertson
Insecure in Love – Leslie Becker-Phelps
Letting Go – The Pathway of Surrender – David Hawkins
Love and Limerence – Dorothy Tennov
Love Sense – Sue Johnson
Madame Bovary – Gustave Flaubert
Meditations – Marcus Aurelius*
Mind Over Mood – Dennis Greenberger
Never Split the Difference – Chris Voss
Present Perfect – Pavel Somov
Sand Talk: how indigenous thinking can save the world – Tyson Yunkaporta
Self-Compassion: the proven power of being kind to yourself – Kristin Neff
Sexual Personae — Camille Paglia
Should I Stay or Should I Go?: surviving a relationship with a narcissist – by Ramani Durvasula
Surviving a Borderline Parent – Kimberlee Roth
The Anxious Perfectionist – Clarissa W. Ong
The Assertiveness Workbook — Randy Paterson
The Big Book – Bill Wilson
The Body Keeps the Score – Bessel van der Kolk
The Dark Side of the Light Chasers – Debbie Ford
The Discourses of Epictetus*
The Enchiridion*
The How of Happiness – Sonja Lyubomirsky
The Jealousy Cure: Learn to trust, overcome possessiveness, and save your relationship – Robert Leahy
The Journey from Abandonment to Healing – Susan Anderson
The Mindful Path to Self Compassion – Christopher Germer
The Power of Now – Eckhart Tolle
The Social Animal – David Brooks
The Tao te Ching – Lao Tzu*
The White Knight Syndrome: rescuing yourself from your need to rescue others – Mary C. Lamia
The Worthy Mind: transform your mindset. Strengthen self-worth – Meadow DeVor
Understanding the Borderline Mother – Christine Ann Lawson
Unf*ck Yourself: get out of your head and into your life – Gary John Bishop
We – Robert Johnson
* Many of the ancient classic self-help books are available for free on the Vox Stoica YouTube Channel. You will not find a better narrator.