Here we go again......

Every time one of my really good friends get into a relationship, I'm suddenly no longer part of their life. My best friend just got into a relationship, and I've already noticed that she's slowly been ignoring me. Okay maybe ignoring isn't the right word.... She doesn't have time for me anymore. Everything revolves around him and her job. So her I go again spriling into a round of depression close to tears thinking What is it about me that people don't like spending time with me? and Why can't I have a relationship?
I hate my life