My mum always told me not to put my nose too close to flowers to smell them because insects would crawl in and eventually make their way to my brain and never come out again.
A childhood belief about plants

others believed things like this
- my mom told not to pick my nose because if i fell i would poke my brain.— brent
- i was always told if i picked my nose my brain would fall out! i belived it for years!Anon
- My Gran told me that if I picked my nose, I´d get brain cancer. Traumatised? Yes I was!— Windy Girl
- I used to believe that earwigs lived on earwax, and that they would crawl into my ear canal and eat my brain.— dodyskin
- i used to believe that if you picked
your nose your brain would cave in...— mr bogtrotter - when i was little my mum used to tell me if i picked my nose too much my brain would fall out!!! think it did— Maz