Okay so I've told this story before.. completely changed my perspective on my beliefs.
One day, I was making food for my young one. He was maybe a bit over 2 years old? Maybe 3. Anyway, I made him food and said "anything you don't eat, I'll put into a baggie".
He then asks "what's a baggie?" I show him the sandwich baggies in the drawer and then explain that grocery bags can also be called "baggies", say "see?" then showed him a plastic grocery bag from the cupboard.
His eyes get all wide then ge starts sobbing. Alarmed, I ask him what's wrong and he sobs "No baggie!!!! No baggie!!!!" I asked him why and he says, still crying, "My old mommy... she put a baggie over my head and I died!" He then immediately stops crying, like nothing had happened, and went to play with his cars. I tried to coax him into repeating what he had just said, like "what? Hun, what do you mean? What did you say?" And he looked at me like I was bonkers and just said "huh?", apparently not remembering what he had said moments before, even after I brought it up at multiple different times of the day.
All of this was completely out of character for him, and nothing like that ever happened again. He was never told about death or shown it in any media at that point or anything else like that, so I was baffled.
It definitely made me rethink my stance on things like reincarnation and stuff like that. It was.. too strange. Never could explain it.