Some mediators prefer to conduct the framing stage in separate sessions, as they believe it better prepares each of you for the next stage: negotiating. Other mediators favor joint sessions because they believe that hearing your spouse work with the mediator to formulate interests lays a better foundation for the give and take of the negotiation stage. Either way can work, although separate sessions make the mediation cost a little more and take a little longer, because anything important that is said in the separate session will have to be repeated to the other spouse.
Sign and file a “Joint Petition for Divorce.” (Divorce court officials sometimes refer to this as the “1A form” and this divorces process as a “1A Marriage Dissolution.”) This is a divorce form that a) states when you were married and last lived together, b) identifies minor or dependent children of the marriage, c) identifies any family law court actions already in process, d) suggests an approximate date when the marriage irretrievably broke down (when it effectively ended), e) requests a divorce, and f) asks the judge to approve your “Separation Agreement” (see below).
2. Take with you all of the household goods and furnishings, and other items of personal property which you want to have, and inventory what you take. Although it is not a law, the old adage “possession is nine tenths of the law” is very applicable here. The reason boils down to the fact that litigating personal property issues is usually prohibitively expensive, because it normally costs more to litigate than the stuff is worth. So if you ever want to see it again, it is much simpler and easier to take it with you when you leave. [Caveat: don’t get too greedy. If you empty the place out and leave the spouse and children to sleep and eat on a bare concrete floor, you will not look good].
After the mediator has gone over the basics, you'll get a chance to make a short statement about your situation, as will your spouse. After you've each had a chance to speak, the mediator is likely to ask some questions to clarify or get more information. The mediator may also reflect back what you've said, to be sure that both the mediator and your spouse have understood all of your points. The same will go for your spouse.
Then the respondent's attorney calls the respondent’s witnesses. After the respondent's attorney rests, the petitioner's attorney may call witnesses to respond to the testimony given for the respondent. The respondent's attorney may do the same. When all of the testimony is completed, the attorneys argue the case, saying why the judge should rule in his or her client’s favor. Then the judge ends the trial. The judge may announce a decision at the end of the trial. He or she may take time to think about the case and make the decision later. By law, the judge has 90 days to decide the case. Usually the judge sends copies of the decision to the attorneys. The divorce becomes final when the court clerk enters the Judgment and Decree for the court. The clerk tells the attorneys when the Judgment and Decree has been entered. The Judgment and Decree is the final decision in the case.
In reality, every divorce requires both formal legal procedures as well as some kind of settlement negotiations. In Minnesota, even if you prefer to litigate and leave every decision up to the judge, the rules require that before the Court will decide your case, parties must attempt resolution through some form of Alternative Dispute Resolution, of which mediation is still the most common. 
If you are proceeding without an attorney, you are well-served to use an experienced mediator with extensive legal background able to address all of the issues surrounding your specific case; if you have a land dispute, you want to have a mediator capable of understanding your concerns and the law as well. If you have a divorce or custody case, you want a mediator with extensive experience litigating these issues.
After the elapse of a period of time, nobody much cares if the reason you only had every other weekend was because the other parent truly wouldn’t “let” you have more time. Although that may very well be the case, and although you may have let your spouse control the situation in order to spare the children the trauma of parental conflict, in my experience the courts are more swayed by the pattern of contact rather than by these “excuses.” The wisdom of Solomon does not apply. 
This booklet explains your rights in a Minnesota divorce and includes information on custody, parenting time, child support, maintenance, abuse, and division of property. This booklet does NOT tell you how to get a divorce without the help of an attorney. Divorce law is complicated and changes often. Each case must be handled differently. Unless your divorce is very simple, it is usually a good idea to have an attorney.