Wow, it sounds like you've had a really hard time lately. I'm glad that things are finally turning around for you.

Facebook can be awful for making us feel excluded when we haven't really been. It's possible that your niece is not paying for the dinners and concerts you see in her photos. It does make you wonder, though. One of my Facebook friends was requesting donations to pay her medical bills last year. Six months later she was posting photos from Europe.

Even though your sister and her family may not help you the way that you helped them, you will be okay. You will find what you need, but probably not from them.