"You want to be loved so much at some level. You want it to work so badly. And you're capable of loving someone who's flawed so much that you missed the point, which is that you're not a cop," Dr. Ablow says of Marilyn's reaction to her ex-husband's behavior. "And even though you very much want it to work, the best thing to do in these situations is to throw up your hands and say, 'You know what? As sad as it's going to be, as tragic as it is—one strike and you're out. You hurt my kid just one time, I'm sorry, maybe I made a mistake. I'm going to have to err on the side of caution.'"