My husband and I have decided to file a divorce with a help of and we have an oral agreement on custody for our son, who is going to live with me. I have no reason to hesitate in what my husband said about co-parenting aspects, however I would like to reduce traumatizing post-divorce experience for our child. As we saved up on divorce lawyer, I decided to start therapy for our son and take co-parenting classes, but I don't know how to start conversation with my ex.