No, there wasn't any "yoyo'ing" but a fair amount of arguing. I do believe he has some apprehention right now and I plan to address that with him this weekend as we will have some good time together.
I do believe that there is a hint of a fear of her leaving again from him, but I am not sure how to comfort him other than to continue to tell him that we are working on things and that he can share with us anytime he wants.
You say that he could only stay "minimally"? What do you mean by that? My children are young (not even 10 yet) so I am not sure that my situation would work well with that, but I am curious what you mean and what your intentions are with that.
H: 33 (ME) WAW: 33 S: 10 D: 7 3/17/06 Wife left 10/4/06 D Final 9/30/07 XW states she wants to reconcile 10/7/07 XW starts process of moving back in