When a man uses "evolution" as an excuse for poor behaviour...

Point out that evolution favours generous men:

https://preview.redd.it/zspi3mshde551.jpg?width=1081&format=pjpg&auto=webp&s=e65c157d9ee8de20031c552611d07ae9ab57f002

Source: Kelly, R. (2013). The lifeways of hunter-gatherers : The foraging spectrum (2nd ed.). Cambridge: Cambridge University Press