据研究果蝇这种行为冲突(behavioral conflict; 行为冲突的情况下，必须把一个目标置于其他目标之上。对于自然界中的动物来说，这可能意味着必须在吃食、交配或争夺资源之间做出选择。)的研究人员称，在被剥夺了食物和异性对象之后，个体可能会优先考虑食物而不是交配或性行为。

Food or sex? Fruit flies give insight into decision-making

https://www.sciencedaily.com/releases/2021/08/210805115521.htm

Sherry J. Cheriyamkunnel, Saloni Rose, Pedro F. Jacob, Lauren A. Blackburn, Shaleen Glasgow, Jacob Moorse, Mike Winstanley, Patrick J. Moynihan, Scott Waddell, Carolina Rezaval. A neuronal mechanism controlling the choice between feeding and sexual behaviors in Drosophila. Current Biology, 2021; DOI: 10.1016/j.cub.2021.07.029