It is your business if he isn't taking care of his financial responsibilities to you and your children. I hope you have a written agreement in place. Leave no room for ambiguity.
I'm afraid if you don't, you are going to regret it. Especially with the reckless spending behavior your H is demonstrating.
Me:45 ExW:48 M:04/97 3 Bombs & 2 ReCons 1st BD 11/10 D Finalized 4/20 D-16 S-14 Going in one more round when you don't think you can. That's what makes all the difference in life.~Rocky Balboa