Sources

The Brain
The Brain That Changes Itself, by Ivan Doidge (Viking, 2007)
Loneliness as a Way of Life, by Thomas Dumm (Harvard, 2008)
Mapping the Darkness: the visionary scientists who unlocked the mysteries of sleep by Kenneth Miller (2023)
Why We Sleep by Matthew Walker (2018)

Resilience
Weightlessness: making space for my resilient body and soul (size, race, and gender) by Evette Dionne (2022)
The Book of Joy by the Dalai Lama, Desmond Tutu,and Douglas Abrams (2016)
The Happiness Trap: stop struggling, start living by Russ Harris (2008)
The Power of Character by Ryan M. Niemiec (2019)
The School of Life--an emotional education, Intro by Alain de Botton (a series of books on topics such as How to Find Love, A Simpler Life, and On Confidence)
Tattoos on the Heart: the power of boundless compassion by Gregory Boyle (2010)
Homecoming: healing traumas  by John Bradshaw (1990)

Relationships and Sex
Getting Past the Affair by Douglas Snyder, et.al. (2007)
Getting Past You and Me to Build a More Loving Relationship (2022)
The Seven Principles of Making Marriage Work by Jon Gottman  (1999)
Hold Me Tight by Sue Johnson (2008)
Come as You Are and Come Together by Emily Nagoski (2021 and 2024 respectively)

Suicidality
Any book by Kay Redfield Jamison
How Not to Kill Yourself by Clancy Martin (2024)