But she did look back, and I love her for that, because it was so human. She was turned to a pillar of salt. So it goes. People aren't supposed to look back. I'm certainly not going to do it anymore." In this quote Billy is stating that by her “looking back” she was turned into a pillar of salt, meaning in our words she is no better than the next one. Billy states people aren’t supposed to look back meaning, never look back on the past because it’s in the past now there is nothing you can do to change it. He states he’s not going to look back anymore, because he doesn’t want to be that pillar of salt, he knows there’s nothing he can do about the current events so he proceeds to think like the