It doesn't MATTER what he wants or why he is willing to give you what you asked for previously. Who knows? Who cares?
If you know it is a good deal (meaning probably better than you would get in court), then snap it up. No doubt he will change his mind many times. Try to get it done before that happens.
The WAS will only become less generous over time. It is a very, very, very, very common story here that the LBS regrets not taking an earlier offer because they wind up with much less.
On the other hand, without an appraisal, how do you know that it is a better deal than the courts would award?
BTW, I'm not sure where you live, but in most places, ALL debt (except student loans) is considered joint debt, regardless of whose name it is in or when the money was spent. Keep this in mind with how things might turn out in court...
