Hi there. My Ex owes me $17k in child maintenance. He has been paying child support regularly, but not nearly enough and we didn't realise. We have a private agreement (don't advise this now). He has said he can pay back $3k but nothing else. As our daughter is 18 next year and she needs a car. I have asked if he will put $5k towards that. He has a wife who doesn't work (from England, so visa issues) and earns twice as much as me. I don't want to be nasty, but what can I do? I think agreeing to $5k instead of $17k is generous, but he still won't give me a commitment. I fear he is stalling and weeks will be come months and then I won't be able to make a claim. I just want him to cover half the costs for her car and then I'm prepared to call it even. Any advice on how to handle this?