Don't get sucked in to the emotions. He's basically leaving you to be a solo parent, so you are not asking for anything unusual as far as finances go. He's probably throwing in obstacles because he, on some level, still wants to keep you as plan B. Or else, is just "shocked" that the Zipless Divorce (see Erica Jong Fear of Flying if you don't get the reference) turns out to be complicated and involve boring paperwork.
