Throughout the years that you live you will have friends that are there to stay and you will have others that come and go. Over the years of friendships you will eventually start to realize who is important in your life and who isn't. You will also be able to see who betters your life and who doesn't. We have all had a friendship with someone who is more toxic to us than good. Erris Langer Klapper, a contributor writer for the Huffington Post, has 3 helpful ways to avoid those toxic friendships.