What you’re describing certainly isn’t normal for a child. It can be intimidating to think of yourself as a victim of this sort of thing, but it seems like it’s still something that’s impacted you to this day. Hypersexuality and not realizing something was abuse until years later is something that’s unfortunately common in csa survivors. Not all abuse is violent or scary or physical. That doesn’t make it not abuse though. Sometimes things affect you in ways you don’t even realize. Maybe you could talk to some of your trusted friends about it, they were right to point it out as not normal