Reference:

Xiang, Y., Dong, X., & Zhao, J. (2020). Effects of envy on depression: The mediating roles of psychological resilience and social support. Psychiatry investigation, 17(6), 547.

https://plato.stanford.edu/entries/envy

Lange, J., Weidman, A. C., & Crusius, J. (2018). The painful duality of envy: Evidence for an integrative theory and a meta-analysis on the relation of envy and schadenfreude. Journal of personality and social psychology, 114(4), 572.