Kitty has a plan to put his soul back in him. We're working on how to get about doing it. From what we've gathered, it was a gypsy that did it in the first place.
[She paused a moment, and then realized that might sound a little odd. She explained a bit further.]
In his world, vampires with souls aren't bloodthirsty killers. If you like being a vampire, having a soul planted inside you can be considered a curse instead of salvation.
If anything, it'll curb his desires to attack others, and he'll go back to the way he was before it was removed.