Scott Disick checked into rehab about three weeks ago to treat his struggles with drugs and alcohol, and since then he has tried to turn his life around for the sake of his family. After spending weeks inside of the facility, a source tells E! News that Kourtney Kardashian 's ex is doing much better. The insider revealed, "I think he took it really seriously this time. He took a real break from work and partying to focus on himself,"