What a sad piece about friends. I think that there is a huge difference between "Friends" and "Real Friends" Friends come and go and can never be truly relied on but true friends are those who stick by you through thick and thin who love you and would take a bullet for you. They are the ones who you know if they tell you something you dont want to hear its from love not any other motive.
True friendship is hard to come by and takes time. The mistake many people make is they want people to be thier friend but are not willing to be that friend back. It hurts like losing a member of your family if ever a true friend betrays that trust but then you have to tell yourself that they were never really a true friend after all.