You should ignore his new York comment. That is along way away and chance of your kids agreeing are slim.
Your h is realizing the pain he is causing to his kids and the pain he is inflicting on himself by not seeing his kids. You need to keep your side of the street clean.
You should encourage your kids to spend time with their dad. You should encourage them to feel like this is not the end of the world.
You need a legal document that breakdowns his financial duties. Until their is a legal document he will continue to pick fights with you regarding money.
Please know that he is treating you like shiiit. Blaming you for everything. Not taking any responsibility for his behavior. But I believe now is the time to use all you db strength and be the saint. Read some pema choldron.
---- M 39 H 35 D5,D4 M 4 T 9 ILYBNILWY 5/18/11 Left 7/11/11 Divorced 12/1/13