What Is A True Friend?

I found out today that a previously very close friend of mine have locked down her twitter account and unfriended me in Facebook. There were previously misunderstandings but I thought we passed them because she told me that she forgave me and we were good. She even referred to me as her best friend. I guess it's all lip service. It is still hard for me to understand when people just end relationships like this so abruptly, without any explanation.

True friends are suppose to love/accept/forgive you no matter what and try work things out with you. I guess my definition of what a true friend is doesn't apply to other people's definitions and I need to realize that.

My life is full of mistakes, and I know that. But I welcome those mistakes so that I can learn from them and grow from them. I never ever do anything knowingly hurtful on purpose, ever. It's just not who I am. If you are a true friend to someone, you will do what it takes to be a true friend, even if it means telling them how they fucked up and hurt you so that they can realize and understand. Then you both can work pass this. I guess my friendship really is worth nothing to some people and it really saddens me.