"Before you judge a man, walk a mile in his shoes." That's an old maxim most readers in Louisiana have likely heard at one time or another. As the website Grammarist.com points out, the moral behind the statement is that it's important to have empathy for others.
When it comes to domestic violence, it can be easy to be judgmental, though most would probably agree that it's not productive. It certainly doesn't help the person who is suffering the pain and abuse. Still, it can be easy for those who have never experienced it to ask why abuse victims don't just leave. As the anti-abuse organization loveisrespect.org observes, there is no single answer to the question.