VIDEO : Ben Affleck On Jennifer Garner: 'Greatest Mom in the World?

Ben Affleck and Jennifer Garner split up over a year ago, but the estranged couple has nothing but nice things to say about each other. Affleck quickly acknowledged the birth of his children after he was asked about the most defining moment of his life. He said, ?In my career or otherwise, it is the birth of my children. The entrance of my children into the world.? Affleck then continued to describe how lucky he is to have Garner in his life. He described her as the ?greatest mom in the world.