Kourtney Kardashian and Scott Disick were together for what feels like an eternity. The two have children together and were seemingly inseparable for years, but things began to change, and not for the good. What was it that caused the couple to finally call it quits? Well, most of the issues can be attributed to raucous and debaucherous behavior on the part of Disick, who couldn't seem to keep other women out of the picture or stay sober for extended periods of time. Still, the couple tried to work things out multiple times and it just never seemed to come together. When did the problems start and what exactly happened?