Id like to add,that I understand when friends stop being friends, but! to be truthful you will experiance many so called friends along lifes journey who are really just people you know,we all experience them.
A real friend though... is someone you can rely on regardless of what happening,some you can call at any time and they will listen,some one who doesn't judge,and also forgives you and these are hard to come by.Most of us never have many of these in a life time,but as you get older you will find some,even if its only one you are lucky.
I hope this true friend comes along soon for you,and then later in life you can add another,if you add a third down the track your doing great!
