Aiden's parents adored him. Ever since he was born, they took care of him. His parents were very wealthy and they used their money to spoil him.
So when his parents died in a car crash when he was 16, he was lost. There was no one else in his family to take care of him, and he was mentally unfit to raise himself. Due to his upbringing, he wouldn't behave well with any other kids his age in a foster home.