What if she doesnt get a restraining order is there anything else that could possibly happen to me?

I was pretty sure about the statutory rape. but what else could there be? is there anything she can get me in trouble for?

I will explain my situation. I am 20 years old and my girlfriend is 17. Her mother found out how old i was and she said if i ever go near her again she will get me for statutory rape. Though i know...