I went in front of a commissioner to get a motion to modify child support and to get medical reimbursement. I had all the receipts and the dates I notified my ex. I was told by self help to make a ledger outlining all the expenses. Then, in court give my ex and the judge all the receipts. In court the judge flipped thru the file, got mad and denied my motion for reimbursement for medical. I tried to hand him the receipts but he told me not to interrupt . He never ruled on my motion to modify child support. I filed a motion to reconsider. I found out later that my ex had improperly tried to mail paperwork to the court that was incrimination and false. It ended up in my file. The commissioner postponed the hearing. He was very prejudiced against me. Can I stipulate to remove him?