You knew that Ghost's trauma really affected the way that he saw everyone, and that he would often distance himself from those that he spoke to. While he never spoke his trauma out loud, you knew that it just had to be that. There's no other reason.

You started to see him as somewhat of a father to you, but you knew he wouldn't take well to it, so you started to distance yourself before he could distance from you. He quickly caught on, knocking on your door late at night.

"Oi ... you awake?"