Get an attorney!! Sell that beautiful car of yours if you have to...J/K! You need some legal help with this one.
Your H may be asking for 50/50 on paper to lower cs but never follow through with it. I wouldn't bet the ranch on that, but I do believe its motivated by money. He still is instable as heck and I wouldn't want K there either. Look into the ages for 50/50 in California. I was told there is no way babies will have to do overnights until they are at least 18 months and both parties agree.
Me: 46 FWS: 36 Married and Divorced 4/07, Pregnant 7/07,False R 7/07 Baby Girl born 3/08 Kicked him out because OW: 7/08 5/10 He realized what he had and lost. Moved home! REMARRIED 3/14/11!!