I have a co-worker that no one really gets along with. I think he might have schizoid personality disorder, but I'm not sure. Here is a list of his behavior that leads me to believe so:
*Doesn't care about anything, from the temperature of the room to how his food tastes. He eats the same cheap frozen burrito every single day for lunch, which he microwaves the night before, leaves in his backpack all day, ...