Having twins or triplets and more can add an exponential amount of joy to a household. But there's also a sad truth: Divorce is more predominant among couples with multiples [source: Case]. It's hard to find time to focus on your relationship because that time being spent on the kids [source: Swenson]. You may establish excellent teamwork to raise the children, but, even if you successfully get them out the door and on to pursuing their own adulthoods, you may find that your relationship with your spouse has been neglected. It's not selfish to take care of your spouse and yourself, but it is difficult.