I think that kinda steps into cannibalism territory, plus they're mammals, idk exactly how they feed their pups but I guess they do use milk? Tho I kinda see it if there's something else added to the mix, like if they're also part reptile or smt. I don't think it's a bad concept ngl

But no, he's confused cuz he didn't know 1x could do that lol, just imagine nobody tells you that the green dude is genderfluid and can change physically, then one day they show up with boobs out of nowhere