I don't remember very much about those sessions, but I do remember one thing which turned out to be some of the best advice I ever got. The priest who taught the class told us something like this.
You are parents now and your relationship with this child is just beginning. For the next few years being a parent will seem all consuming and will rightfully be a top priority. But this relationship, as it will exist for the next eighteen years or so, is a temporary one. You will always be parents, but they will not always be children. As hard as it may be to believe, these children will grow up and leave home. That's what is supposed to happen. Your relationship with them will grow and change as they grow and change.
While you are rearing and nurturing these children, don't forget that before you were their mom or their dad, you were a wife or a husband. You made promises to each other that come first and supersede the fact that you are parents. You must work to make sure that the relationship between husband and wife survives.
Some day, in some form or fashion, you will make a long drive home from helping your youngest child move into a dorm room or apartment. On that day, the two of you will walk into your home together and that home will feel empty. On that day you will realize that it's just the two of you again. When that happens, you need to be ready. So, take care of these children and raise them well. And ... take care of your marriage. Your marriage needs to survive your children.
(Read about my own experience with our chicks flying the nest here I Love My Empty Nest. I think it's one of the best posts I've ever written.