my parents told me that when i bite my nails, it would cause an incurable disease that would never go away. the symptoms would be vomiting and diarreah (at the same time!), poor eyesight, loss of memory, and sterility. i stopped.
A childhood belief about biting my nails

others believed things like this
- when i was little my sister told me that when i bite my nails it would cut through my skin and i would die! — nn
- I used to believe that all old people got the disease "OLD TIMERS DISEASE" Instead of alzheimers disease :D— MollyJohnson
- If you bite your nails, a hand will grow in your stomach.— Miss Laura
- I used to think that Alzheimers disease was called Old Timers Disease.— Justin
- That Alzheimer's Disease was Old Timer's Disease.— Todd K
- I believed that the word optimistic was something to do with opticians and being happy with your eyesight.Anon