It also made him tremendously aggressive for the rest of the two weeks the high lasted, the strength lasting a mere day or two after the drain. It was one of the reasons he largely kept to his room and socialised as little as possible. He did that normally but during that time he was especially reclusive, taking his meals in his room. Now with unicorn blood he had the opposite problem, he was having trouble being noticed at all and had to consciously make noise and otherwise not appear to be a literal spectre. 