The behavior you describe actually sounds alot like normal sexual exploration by children. To whatever extent you were acting out as a result of being abused yourself, recognize that you were a VICTIM, repeating the behavior you learned from your abuser with your peers. When you got older and were capable of making choices, you chose not to continue this behavior. There is no shame here.
Seems I've got to have a change of scene
Every night I have the strangest dreams
Imprisoned by the way it could have been
Left here on my own or so it seems
I've got to leave before I start to screamJoe Cocker