When , as a boy, I first started to hear about the strange phenomena of "periods" I assumed that women all had their monthly cycle on exactly the same day. Yes, all 3 billion...
A childhood belief about periods

others believed things like this
- I used to believe that a menstral cycle was a cycle in the washing maching. (my sister told me that)Anon
- i used to believe that women wore bras because their periods happened in their boobies.Anon
- a male friend of mine used to think that only women who had been pregnant had periods— oiman
- When i was in kindergarten, i used to think that i invented the words million and billion— Comonsnadama
- that DOT was a particularly popular brand of motor cycle helmet.— Gary Watrous
- I used to think that a menstrual cycle was a type of bicycle and i wanted to ride one.Anon