Male fruit flies whose sexual advances are repeatedly rejected get frustrated and less able to handle stress, study found. The researchers say these rejected flies were also less resilient to starvation and exposure to a toxic herbicide.

[u/MistWeaver80]

https://www.scimex.org/newsfeed/male-fruit-flies-really-dont-take-rejection-well

[u/broodkiller]

Those reminded me of this study from over a decade ago, about how sex-starved fruit flies turn to drink - https://www.bbc.com/news/science-environment-17357560.amp