#2 -- that bothered me too.
#3 -- I hadn't thought of that, but you're so right.
Emma is just kind of boring. Also, she's really not a very good mother. She's fine with Jacob, but look, you just DON'T neglect one kid to deal with the other kid's special needs. That only happens in books or seriously dysfunctional households. Good parents are aware of the need for balance there.