Ooh, fun topic. Lots to unpack. I’ll start with something my wife said once: “Men are a microwave; women are a slow cooker.” So there’s that aspect of it.
And lots to talk about when it comes to hormones, natural female cycles, vitamin and mineral deficiencies, birth control (bad for mojo generally) and other more biological things. Dani got into a few of these in her article The 4 Factors of Female Libido.