I remember keeping an egg (from the carton) in my bed for like a week because I thought it would hatch if I kept it warm. Not sure how I didn't break it.
A childhood belief about general

others believed things like this
- I used to believe that I could make a chick hatch from egg carton as long as I kept it warm :)— Stephanie
- I used to believe that you could keep a chicken egg (that you bought) warm, and it would hatch!Anon
- I use to believe that everyone in Florida didn't go to school because it was warm all year around.— Julia
- When i was little I used to think that if you opened a milk carton on the wrong end you would get arrested— Erin
- I thought my aunt was Tina Turner actually, but she is keeping this as a secret...
— sel - When I was little I thought people smoked cigerates to keep warm.Anon