If he's not willing to talk to you about it, you need to talk to a lawyer ASAP.

Here's a link to Indiana Legal Services. http://www.indianajustice.org/Home/PublicWeb
Information from Yahoo on ILS http://voices.yahoo.com/f...ana-residents-38695.html

Indianapolis Legal Aid Society http://www.indylas.org/

I wish you the best of luck with everything. Even if you do come up with an agreement with him, it's best to get it in writing and have it Court ordered, especially if you can get free legal help.