You know that saying "There's always someone worse off than you"? well there's a book you really should read, this has to be the person that saying refers to, If your teenagers are saying you're rotten parents, give them this to read,
It's called "Life, Death and the crap in between" by Damian Holst, available on Amazon, even better if you have Amazon unlimited, it really is a useful tool when you're dealing with "It's so unfair" Kevin the teenager attitude or just to make you realize how good your life is when you feel the walls closing in.
here's the link click here