Kaitin,
Your brother does not have the right to belittle you about anything, really. He definitely does have issues. I agree with what Jillio said. In fact, it made me think about my family dynamic and I realise, in some ways, have it done differently due to few factors.
Your brother should be really appreciative of his siblings and his parents! Family's a priceless thing, something quite tangible and yet intangible. You're very lucky to have such supportive parents who made sure you're not isolated within the family and gave you all the chances to thrive.
The way I see it is that every family has its black sheep and sometimes, it's a family burden to help try and straighten the black sheep out.
