Even though there are days I wish I could change some things that happened in the past, there's a reason the rear view mirror is so small and the windshield is so big, where you're headed is much more important than what you've left behind.
Yes! Never go back! And if what broke you tries reaching out to you again, ignore them. They haven't changed! A valuable lesson for everyone to know. If they broke you to begin with then he didn't love to fight and be better for both of you.