i used to believe that santa knew the future and would not bring you Barbies if you made them do bad things with Ken.
A childhood belief about father christmas

others believed things like this
- When I was child I used to believe the future going to be similar like in the film Back to the future part 2 — Frankie
- I used to believe that giant barbies controlled us like we controlled little barbies— freaky stuff
- when i was little i used to belive that barbies could have babies!!!!!— kay~gr.7
- I used to believe my barbies came alive at night, so I would always try to catch them in the act.Anon
- when i was little i used to believe that all my barbies would come alive at midnight while i was asleep — stephanie
- I used to believe that the cars of the future could fly.Anon