Remember in 2009 . . . images of the bloodied, swollen face of pop singer Rihanna? Remember the police reports of a violent encounter with her live-in boyfriend? This is just another gruesome glimpse of the painful reality for millions of women who live with an abusive partner. In the United States alone, about 1 in 3 women will experience domestic violence in their lifetime. Most people find it difficult to grasp these statistics. They wonder, Why does he do it? Why does she put up with it? Why doesn’t she just leave?