Apostolou, M. (2017). Why people stay single: An evolutionary perspective. Personality and Individual Differences, 111, 263-271. https://doi.org/10.1016/j.paid.2017.02.034 DOI: https://doi.org/10.1016/j.paid.2017.02.034
Google Scholar

Apostolou, M. (2019). Why men stay single: Evidence from Reddit. Evolutionary Psychological Science, 5, 87–97. https://doi.org/10.1007/s40806-018-0163-7 DOI: https://doi.org/10.1007/s40806-018-0163-7
Google Scholar

Apostolou, M. & Patsiarika, G. (2022). Why people prefer to be single: Sociosexuality, Dark Triad, and career focus effects. Personality and Individual Differences, 196. https://doi.org/10.1016/j.paid.2022.111746 DOI: https://doi.org/10.1016/j.paid.2022.111746
Google Scholar

Apostolou, M., Sullman, M., Birkás, B., Błachnio, A., Bushina, E., Calvo, F., Costello, W., Dujlovic, T., Hill, T., Lajunen, T. J., Lisun, Y., Manrique-Millones, D., Manrique-Pino, O., Meskó, N., Nechtelberger, M., Ohtsubo, Y., Ollhoff, C. K., Przepiórka, A., Putz, Á., … Font-Mayolas, S. (2023). Mating performance and singlehood across 14 nations. Evolutionary Psychology, 21(1). https://doi.org/10.1177/14747049221150169 DOI: https://doi.org/10.1177/14747049221150169
Google Scholar

Apostolou, M. & Wang, Y. (2019). The association between mating performance, marital status, and the length of singlehood: Evidence from Greece and China. Evolutionary Psychology. https://doi.org/10.1177/1474704919887706 DOI: https://doi.org/10.1177/1474704919887706
Google Scholar

Buss, D.M. (2016). The evolution of desire: Strategies of human mating (4th ed.). Basic Books.
Google Scholar

Buss, D. M., Goetz, C., Duntley, J. D., Asao, K., & Conroy-Beam, D. (2017). The mate switching hypothesis. Personality and Individual Differences, 104, 143-149. https://doi.org/10.1016/j.paid.2016.07.022 DOI: https://doi.org/10.1016/j.paid.2016.07.022
Google Scholar

Conroy-Beam, D., Goetz, C. D., & Buss, D.M. (2016). What predicts romantic relationship satisfaction and mate retention intensity: Mate preference fulfilment or mate value discrepancies? Evolution and Human Behavior, 37(6), 440-448. https://doi.org/10.1016/j.evolhumbehav.2016.04.003 DOI: https://doi.org/10.1016/j.evolhumbehav.2016.04.003
Google Scholar

Coontz, S. (2006). Marriage, a history: How love conquered marriage. Penguin.
Google Scholar

Coppock, A., Leeper, T. J., & Mullinix, K.J. (2018). Generalizability of heterogeneous treatment effect estimates across samples. Proceedings of the National Academy of Sciences, 201808083. https://doi.org/10.1073/pnas.1808083115 DOI: https://doi.org/10.1073/pnas.1808083115
Google Scholar

Costello, W., Rolon, V., Thomas, A. G., & Schmitt, D. (2022). Levels of well-being among men who are incel (Involuntarily Celibate). Evolutionary Psychological Science, 8(4), 375-390. https://doi.org/10.1007/s40806-022-00336-x DOI: https://doi.org/10.1007/s40806-022-00336-x
Google Scholar

Gangestad, S. W., & Simpson, J.A. (2000). The evolution of human mating: Trade-offs and strategic pluralism. Behavioral and brain sciences, 23(4), 573-587. https://doi.org/10.1017/S0140525X0000337X DOI: https://doi.org/10.1017/S0140525X0000337X
Google Scholar

Girme, Y. U., Park, Y., & MacDonald, G. (2022). Coping or thriving? Reviewing intrapersonal, interpersonal, and societal factors associated with well-being in singlehood from a within-group perspective. Perspectives on Psychological Science, https://journals.sagepub.com/doi/10.1177/17456916221136119 DOI: https://doi.org/10.1177/17456916221136119
Google Scholar

Kim, P. S., James, E., Coxworth, J. E., & Hawkes, K. (2012). Increased longevity evolves from grandmothering. Proceeding of the Royal Society B, 279, 4880–4884. https://doi.org/10.1098/rspb.2012.1751 DOI: https://doi.org/10.1098/rspb.2012.1751
Google Scholar

Klinenberg, E. (2012). Going solo: The extraordinary rise and surprising appeal of living alone. Duckworth Overlook.
Google Scholar

Lancaster, J. B., & Lancaster, C.S. (1987). The watershed: Change in parental investment and family-formation strategies in the course of human evolution. In J.B. Lancaster, J. Altmann, A.S. Rossi, & L.R. Sherrod (Eds.), Parenting across the life span: Biosocial dimensions (pp. 187–205). Aldine Publishing. DOI: https://doi.org/10.4324/9781315126005-10
Google Scholar

McCarthy, C. J., Lambert, R. G., & Brack, G. (1997). Structural model of coping, appraisals, and emotions after relationship breakup. Journal of Counseling and Development, 76, 53-76. https://doi.org/10.1002/j.1556-6676.1997.tb02376.x DOI: https://doi.org/10.1002/j.1556-6676.1997.tb02376.x
Google Scholar

Nesse, R.M. (2019). Good reasons for bad feelings: Insights from the frontier of evolutionary psychiatry. Dutton.
Google Scholar

Ortiz-Ospina, E. (2019). The rise of living alone: How one-person households are becoming increasingly common around the world. Our World in Data. https:// ourworldindata.org/livingalone
Google Scholar

Thomas, A. G., Jonason, P. K., Blackburn, J., Kennair, L.E. O., Lowe, R., Malouff, J., … Li, N.P. (2020). Mate preference priorities in the East and West: A cross‐cultural test of the mate preference priority model. Journal of Personality, 88(3), 606-620. https://doi.org/10.1111/jopy.12514 DOI: https://doi.org/10.1111/jopy.12514
Google Scholar

Tooby, J. & Cosmides, L. (2008).The evolutionary psychology of the emotions and their relationship to internal regulatory variables. In M. Lewis, J.M. Haviland-Johnes & L.F. Barrett (Eds.) Handbook of emotions (3rd ed.) (pp. 114-137). Guilford Press.
Google Scholar

Wilson, E.O. (1975). Sociobiology: The new synthesis. Cambridge, MA: Harvard University Press.
Google Scholar

Wilson, E.O. (1978). On human nature. Cambridge, MA: Harvard University Press.
Google Scholar