You can file a contested divorce in the court. Court if finds that you have enough reasons to not pay any maintenance to your wife it will be granted. Please contact an advocate who expertise in Divorce matters.
Listen to him. Feel free to give advice if he asks but don't be hurt if he doesn't take it. It's the non-judgmental listening that counts most. Let him talk until he's said everything he wants to say instead of interrupting him with questions or opinions. Right now, the thing he may need the most is a listening ear.
Once a divorce is final, you may receive (or pay) spousal or domestic partner support. This is called permanent or long-term spousal support. This is usually a monthly payment that can last for many years.
Alimony or maintenance is usually awarded in cases where one spouse is financially dependent on the other and requires financial support after the divorce. If both parties agree that no alimony or maintenance will be provided by either spouse, the court will generally respect their decision.
How to Support a Friend Going Through a Divorce Keep inviting them out, even if they often decline. If they're moving, help them pack. Just listen. However tempting, don't trash their ex. Help out with partner-like things. Show up with a meal. Don't press for details. Be accepting of their dating life.