I used to believe a husband was a wife and vice versa, because i thought the word husband was prettier than the word wife and so should go with the prettier person (the female)
A childhood belief about marriage

others believed things like this
- When I was little I thought that a honeymoon was when the Husband and wife went to the moon and eat honey.— AmAnDa
- When I was three I used to believe that cow and horse are wife and husband.— xenia
- my husband believed, until recently, that the word "several" meant seven of something. — sheryl
- I used to believe eating fish enables me to live underwater and eating veggy makes me prettier!— Melody
- I always thought that it was "Afully Wedded Wife" Not "lawfully wedded wife"— Sarah
- when i was little thought that ants changed traffic lights from green to red and vice versa.Anon