I mean, if men would have to carry the baby for nearly 10 months within their own body and after giving birth having to do all the care work like lots of women had and have to do, they would be baby killers more often as well.
My head cannon says this behavior is approximated by step-parents being shitty to their step kids so that their own kids get preferential treatment. But I have no proof, just life experiences.
And when it comes to humans: “Almost all neonaticides are committed by mothers.” - https://pmc.ncbi.nlm.nih.gov/articles/PMC2174580/
I mean, if men would have to carry the baby for nearly 10 months within their own body and after giving birth having to do all the care work like lots of women had and have to do, they would be baby killers more often as well.
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My head cannon says this behavior is approximated by step-parents being shitty to their step kids so that their own kids get preferential treatment. But I have no proof, just life experiences.
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Oh boy do I have bad news for you:
Filicide overwhelmingly linked to male perpetrators who ‘deeply believe their actions are justified’, experts say
Filicide
It is not exactly the situation you mentioned, but I think it is at least highly related?