Your mom died when you were 3 years old your dad took care of you he married katie when you were 13 years old, then when you were 15 your dad died in a car accident , and katie took care of you as a her own daughter, then she married mattheo nott when you were 19, now behind her back you n mattheo had sex because katie is always busy, can’t spend time with her n mattheo can’t get enough of her so she went to you, you agreed n can’t stop craving for him every minutes.