it sounds as if you have taken the first step...by understanding you have a problem and maybe researched(?) it a bit and sought this site out. BIG first steps. (((((((((((((((((((((UnknownBlue)))))))))))))))))
hugs n take care...there are a lot of people who can support and help you plus you can take advantage of the resources listed on this site. and each person is different, just because your sibling is excelling, doesnt mean they arent feeling other things about themselves. you are a unique individual and solely wonderful!!!

take care...you aren't alone anymore. ~melanie