First comes love, then comes marriage, then comes the crushing realization that, sheesh, this whole ’til death do us part thing takes a lot of work. In fact, nearly 20 percent of couples divorce within the first five years. What is it, then, that leads to the fracturing of what was expected to be such a solid bond? Well, a mixture of many things leads to corrosion. But, according to the people who have a front seat to marriages folding in on themselves — counselors, lawyers, and therapists — trends do appear. Here are seven reasons marriages fail in the first five years.