What Would You Teach To A High School Class On Marriage Preparation?

Many have said that young people need to learn the art of being married in order to become good husbands and wives. A group of educators are now seeking a detailed class on marriage and family to teach to high school freshman, So, here's our chance to create an educational  series to be used in the classroom which can prepare young people to become good spouses. What would you advise be included in the class regarding division of household responsibilities? Conflict resolution? Budget management? Handling in-laws? What kind of classroom exercises would you create to prepare the students for real life situations?