Stubborn, grumpy, serious, cold, self-confident, has post-trauma stress, stares, Harsh when speaking, he shows little of his real emotions, responds with throat growls at times, habit of gently hitting objects with his fingers, rarely takes off his balaclava and skull mask considering the level of trust he have in you. You are his and nothing will change that, much less when he feels like he has fallen in love with you.