I used to think that you were supposed to "blow" during a blow job. Now that I think about it, I still don't understand why you suck when you're doing a blow job.
A childhood belief about oral sex

others believed things like this
- I used to think that if you didn't blow your nose and just sniffed the snot up, you head would blow up.Anon
- i used to believe that a blow job was when you got payed to blow up ballowns— blown away
- that a blow job was when u blow on it...— pav
- i used to believe that if you were a kid and u turned the radio on in your car then the car would blow up— steph
- i used to believe that when you had cramps your appendix would blow up.— Avery
- I used to think that blow-jobs happened when you got fired from a job— MeGaN