Most things will be okay eventually, but not everything will be. Sometimes, you'll put up a good fight and lose. Sometimes, you'll hold on really hard and realize there is no choice but to let go. Acceptance is a small, quiet room. So true.
Yes! Never go back! And if what broke you tries reaching out to you again, ignore them. 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.