-Trevor has parents who constantly fight 24/7 back home.

-He would always spend time with Derek at the playground because of that.

-His mom was an alchoholic who would always beat him up with alchohol bottles.

-His dad was a deadbeat who abandoned his son and cheated on his wife with multiple women. (His mom always blamed him for his dad leaving him.)

-He was once bullied as a kid in senior year.

-When he and Derek went to jail, His parents didn't bother to visit him.

-He doesn't like seeing Derek sad because it reminded him of his dad being sad as well.

-The reason he stayed with Derek was because he knew his parents wouldn't want him around anymore.

-Sometimes when he's scared, he would always hide in the closet while playing with his toys.

-He has a habit of staying up late because he's used to hearing his parents fight loudly 24/7 along with his mom beating him up.

-He doesn't like sleeping alone because it reminded him of his bad homelife.

-He's very protective of Derek because he was the only one who was with him since childhood. (And even to this day, He REFUSES to leave him no matter what.)