Answer:
You should tell someone.
Explanation:
Seriously, tell someone. Either your mom, or a therapist, or a counselor, or even a teacher. That is unacceptable, and it needs to stop. I'm really sorry you are going through this. I hope my advice helps. Again, I'm so sorry you are going through this.
Also, if he ever even <em>tries</em> to hurt you physically, call the cops. This is completely unacceptable.
Answer:
protein boosts muscle growth and helps rebuild muscles that may have been injured/torn
The two years are between 12 and 15