After choking on some food, adults would always say "it went down the wrong tube", so I used to think that you had one tube for solid food and one tube for liquid and you had a coughing fit when they got mixed up. This proved problematic when eating soup.
A childhood belief about eating

others believed things like this
- if you eat toothpaste straight from the tube, you will get worms— wormelow
- I used to want hemmoriods so I could use a "float tube" in the tub and have a cushy toilet seat like my dad.— Tami
- I was told when I was little that eating too much salt on your food would "dry up your blood".Anon
- I'm autistic, and I used to believe taking some of my sister's food while she was eating it was sharing.Anon
- I use to believe that salt would cool food down while pepper would heat your foodAnon
- I used to believe when ordering Chinese food the food and delivery man came from China— Dave