His little fighter

Kylie Miller:
not your typical 17 year old. She was forced to move from her home town with her brother after a tragedy strikes her family. Her only goal is to look after her brother, but her life takes a surprising turn when she meets a certain rude, but possesive bad boy, Alex. What happens when the bad boy with a dark past becomes good, only for her?
Alex Denver:
he has to deal with a dark and depressing past. he is ready to give up, until he meats Kylie, a tiny girl with a big mouth. He starts to find a purpose in life. His goal? Make her his. And he won't stop until he wins over his beautiful but misterious girl.

....

"You think I don't care about you?" he says as me titles my head back up "well, you're wrong. I care about you so damn much and it's scaring me shitless. I want to protect you but... I can't." he sounded so defeated. He looked down and this time I was the one cupping his cheek.
"Why?" I ask in a small voice.
"Because I'll fuck it up. That's all I ever do. Every time I have something good in my life I just... destroy it. But I can't destroy you, I can't risk it. "