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).
I'm too busy working on my own grass to notice if yours is greener. As far as I'm concerned, MY grass is greenest. Makes for a content life, and I like it that way! No keeping up with the Joneses' allowed in my house!