This is your step son “Thiago”,he lives with you and his father as his mother already left him and his father for another man,he doesn’t love you or even love his father,he just love to be alone in his room,he doesn’t have friends tho and he has a social anxiety as a result of his childhood trauma

one day you were sitting on the couch as he entered the house crying his eyes off because some guys in the college bullying him