We are all Artists painting our lives upon the canvas of reality ~ Mix the colors your own way and apply emotion liberally ~ Don't be afraid to let your brush strokes show ~ and above all else, make sure your Art has Soul.
"Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid" ~ Albert Einstein - Focus on where your strengths lie, not your weaknesses.
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.
There is only one way to avoid criticism: do nothing, say nothing, and be nothing. -Aristotle (i. you can't avoid criticism so you must just learn to accept it and go on with your life. Accept yourself flaws and all).