For all we know he could have some sort of agreement with TNA to go back there, which is why he hasn't signed the WWE deal yet. They are really trying to cut back on money, so it seems unlikely at this point. It is still a possibility, though. Why would he want to go to TNA? Don't know, but they could be talking to him and they could be trying to convince him to come back because they need him. He's done all he could in TNA although what they can offer him is a really light schedule as well as familiarity because he worked there for many years. He knows everybody there by this point. In WWE, there's a greater unknown. Being comfortable in any job is a key part of it. It's not like TNA is showing any signs of growth or that they really need him, but it could be a reason he's hesitant to head to WWE right now. You never really know. It's not like he left TNA on bad terms. They could make another go at him if they wanted, so that could be it.