Originally Posted by MusicianDad
There is an evolutionary basis for kissing that has nothing to do with mating though... It's call homemade baby food pre-blender years, aka chew it up and feed your child like many animals do, mouth to mouth.
My MIL told me several times that early humans actually ate food and then vomited it into our babies' mouths, like birds do.
Anyway, I'm not at all sure that apes pre-chew their babies' foods. My understanding is that they nurse until their babies can eat regular food. At any rate, that's how my DD did it. I am dubious about the significance of any nutritional benefits to infants of eating pre-chewed foods when breastmilk is readily available. And I don't see why, if early humans were
to do this, they wouldn't spit into their hands and use their hands to feed their babies. That seems much more convenient.
Anyway, I know this is totally OT, but I've wondered about it for a while now.