It wasn't so much… it wasn't the lack of, … not the way everyone could step right through him and some actually did. It was the way that they ignored him, best as they could. As if he weren't really there no matter how much he screamed, tricked, teased or annoyed, cause, well he just wasn't. Not even when he did get his body back.
So when Doyle sent him after a ghost making people die of fear over in Woodward, he made sure to take a pack of cards.
Had to give the poor bloke something to do, right?