His reason for lack of emotion is purely concentration! You’ve got to leave your body until the mission is completed otherwise is game over within a few seconds lol
I don't think that the man is gay as many people said (otherwise he may be fucking with men); I would rather think that he is mentally retard or that he just has some intelligence disability. Just look at how slow he moves all the time and his stupid facial expression. Definitely this guy has some problem.
I take his place if he does not like her!