I thought that borderline personality disorder meant the person almost had a personality disorder, but not quite.
A childhood belief about being ill

others believed things like this
- I thought that a person's motorskills meant how good they were at driving!Anon
- I thought the phrase "At one's disposal" meant you should dispose of the person or thing.— Geirskogul
- I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon
- I used to believe that anonymous was a person, and I thought, "Gee, this person writes a LOT of poems!"— Katie Albano
- i used to believe that when a person moved away, they switched houses with the person that bought their house— alli
- I used to think that if a white person and a black person has a baby it would be mexican.— J