I am so sorry I have read two other poems of yours and I am pretty sure you lived this.
NO CHILD SHOULD EVER EVER HAVE TO LIVE THIS LIFE!!
And your mother was just as responsible as he was! More so I think, he was a step father she YOUR mother. It is her job to provide you with a safe loving nurturing world to develop and grow and learn in.
To provide you with protection and love.
She should have cut his balls off duct taped them to his mouth and then called the police the second she found out,
She is and was no mother.
I am sorry you lived this way, but know it was NOT your fault, and you did NOT deserve that life.
If you ever need to vent talk anything to someone who will not judge no matter what is said and won't carry you around like shame ..... Please feel free to send me a message.