My mum told me it was 'bad' for the cats if I touched them (i.e. pulled their tails and generally hassled them) when they were eating. I was in my 20's before I suddenly realised that it was not going to make my cat ill if I stroked him while he was eating!
A childhood belief about cats and dogs

others believed things like this
- I used to believe eating fish enables me to live underwater and eating veggy makes me prettier!— Melody
- My friend believed that eating bread crusts or eating mustard will give you curly hair.— Linda from Southern California
- I used to believe that eating too many tomatoes could make you pregnant.— Mariah
- I used to believe that eating vegetables would make me particularly tall— Aleksandr
- i used to think that eating carrots would make your eyes glow in the dark— nik
- I used to believe eating the crusts from sandwiches would make my hair curly.Anon