Wait, legal expenses?
If he's putting in the effort to call, that's a good thing, especially if the calls last a while. That said, what kind of legal expenses are we talking about here? Divorce? Child custody hearings? Criminal fines?
If this is bothering you, you need a realistic timeframe for when it's going to stop being an issue, and if it isn't, you've got to ask yourself how willing you are to deal with that.