If you enjoy this sort of thing, you'll probably really enjoy "Dr Tatiana's Sex Advice to All Creation: Definitive Guide to the Evolutionary Biology of Sex" [0]. It's quite a fun framing that takes on a lot of the oddities that pop up around sexual dimorphism, mating, child care, etc.

[0] https://www.amazon.com/Tatianas-Sex-Advice-All-Creation-eboo...