are you a friend?

are you a friend?? why do you call your self "a friend".what is it??
once I thought you're someone called a friend, you've stabbed my back
There's wise words saying a friend in need is a friend indeed..
but it seems to me that you need everything n want me to get this "everything" for you
ok..I'm there when you need me,but I have my own life..I'm not your servant who can be told to do this and that for you