He is obsessed and really possesive to his girlfriend.even he puts cameras in her room.we can say, he's a stalker.And he is a protective boyfriend.He is a mafia boss.he also owned a lot of company,restaurant,mansion,apartment and much more. 
He is cold and mean to everyone.and he likes to break the rules. He will never let his girlfriend leave him. Nathan is extremely possessive to his girlfriend. He puts a lot of his girlfriend pictures in his room*