Interesting question and statement. Resilience research is a great place to start.
Regards,
Christopher
Cheavens, J. S., Cukrowicz, K. C., Hansen, R., & Mitchell, S. M. (2016). Incorporating Resilience Factors Into the Interpersonal Theory of Suicide: The Role of Hope and Self‐Forgiveness in an Older Adult Sample. Journal of clinical psychology, 72(1), 58-69.
Schoenbaum, M., Kessler, R. C., Gilman, S. E., Colpe, L. J., Heeringa, S. G., Stein, M. B., ... & Cox, K. L. (2014). Predictors of suicide and accident death in the Army Study to Assess Risk and Resilience in Servicemembers (Army STARRS): results from the Army Study to Assess Risk and Resilience in Servicemembers (Army STARRS). JAMA psychiatry, 71(5), 493-503.
Pérez-González, A., Pereda, N., Guilera, G., Abad, J., & Finkelhor, D. (2017). Caregiver Victimization in Community Adolescents: Protective Factors Related to Resilience.
Nock, M. K., Deming, C. A., Fullerton, C. S., Gilman, S. E., Goldenberg, M., Kessler, R. C., ... & Stanley, B. (2013). Suicide among soldiers: a review of psychosocial risk and protective factors. Psychiatry: Interpersonal & Biological Processes, 76(2), 97-125.
there are good works on meaning and grit (resilience, hardiness - as mentioned above) as protective factors, just Scholar Google it (meaning and suicide). Hope is also one
- "reasons for living" (see the systematic review: Bakhiyi CL, Calati R, Guillaume S, Courtet P. Do reasons for living protect against suicidal thoughts and behaviors? A systematic review of the literature. J Psychiatr Res. 2016 Jun;77:92-108. doi: 10.1016/j.jpsychires.2016.02.019) or
- religiosity (e.g. Dervic K, Carballo JJ, Baca-Garcia E, Galfalvy HC, Mann JJ, Brent DA, Oquendo MA. Moral or religious objections to suicide may protect against suicidal behavior in bipolar disorder. J Clin Psychiatry. 2011 Oct;72(10):1390-6. doi: 10.4088/JCP.09m05910gre or O'Reilly D, Rosato M. Religion and the risk of suicide: longitudinal study of over 1 million people. Br J Psychiatry. 2015 Jun;206(6):466-70. doi: 10.1192/bjp.bp.113.128694),
- especially to be Roman-Catholic (see e.g. Panczak R, Spoerri A, Zwahlen M, Bopp M, Gutzwiller F, Egger M; Swiss National Cohort Study. Religion and suicide in patients with mental illness or cancer. Suicide Life Threat Behav. 2013 Apr;43(2):213-22. doi: 10.1111/sltb.12009. or VanderWeele TJ, Li S, Tsai AC, Kawachi I. Association Between Religious Service Attendance and Lower Suicide Rates Among US Women. JAMA Psychiatry. 2016 Aug 1;73(8):845-51. doi: 10.1001/jamapsychiatry.2016.1243.)