and when asked why women weren't allowed multiple husbands he said that this wouldn't work as you wouldn't know who the father is.
DS was annoyed bless him but didn't challenge. I felt a bit rageful because really he should his evo-psych opinions to himself and it's not exactly great for his female pupils to hear.
But then maybe that is life and he's just describing it like it is. Genuinely not sure IBU.