To disabled for friendship ?

So I was on a  group on Facebook and I was talking to someone about trains because we shared the same interests in trains. Because of my disabilities, I was slow on replying and not saying much, Then I explained to the person that I had multiple disabilities, She asked what they were, (I'm ok with talking about them btw). I listed all of them and then she said, "Sorry to bother you". I wasn't sure what she meant and then she said, "Your to disabled and deserve better". I wasn't sure on how to respond to that comment and then she blocked me on Facebook. 

What just happened? 

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