When my daughter was about ten months, we where parked inside the car waiting for my husband to come out of his grandma's house. I was at the steering wheel and my daughter was in the back seat in her car seat eating those baby cereals. She would eat one and take another and offer it at the empty seat next to her making a noise as if trying to get someone's attention. I was listening to music so I was not paying much attention until she started to make the noise really loud, I could see she was getting upset. I told her to stop and she did for a few seconds and she would continue. I could see how she was getting very upset at the fact that the "person" she wanted to share was not responding to her. I don't know what got into me because I have never been a ghost believer, but I got frustrated to see her doing that, so I turned around to the empy seat and said "hey, if you don't want to eat, then don't... But just leave her alone!". Immediately after my daughter continued eating like if nothing had ever happened. I almost pooped my pants.