My sister, oldest brother, and myself are average. My youngest brother is the smartest. My mom is somewhere between us. My middle brother is the DUMBEST! I don't know where my dad is on this spectrum.
We have a lot of drama coming from the dumbest member trying to tell everyone what to do and how to live our lives.

He's really screwed up his life doing really dumb things, but he think he knows it all.
One of my biggest fears is having a child that is retarded....or a genious! I don't think I will have the patience for a slow child. Or worse, I don't think a really bright child will have the patience for me.