You were out of control to the extent that you acted violently against her, whether intentional or not. She should absolutely leave you because there’s nothing to indicate that you wouldn’t do the same again or worse in the future. There is nothing but excuses in your post. Work on fixing yourself, on your own, before being in a relationship.
Why do you feel numb? What has gone wrong in your perspective?
You were out of control to the extent that you acted violently against her, whether intentional or not. She should absolutely leave you because there’s nothing to indicate that you wouldn’t do the same again or worse in the future. There is nothing but excuses in your post. Work on fixing yourself, on your own, before being in a relationship.
Parental pressure is very difficult to manage at fifteen, and she did confront her mom about it.