Maybe it is because when I was little and used to have nightmares my Dad told me that I could control my dreams and to take over the next time. I remember the first time I really gained control and killed the thing that I was afraid of. It was a witch and I threw a couch at her lol. I suppose that is why I always thought it was normal cause I was taught at a very young age that everyone has this control and we just have to use it. Besides my Dad can do it too so I figured everyone could. I still believe that everyone can. One thing that I was taught to do as a kid was say the "im going to remember my dreams" thing before bed. I don't do it anymore but I haven't needed that in years. I think I remember having a dream journal at 8 or 9 too.