I just realized that we never learned about Kat and Bianca's mom. I really wanted to know more about her. How she died, what she was like, how this affected the girls, etc. I've read where people have guessed she was British due to the Beatles album from Ep 7 (released only in UK) and British flag in Kat's room. I always wondered if that was true.
Or, if fans were just overanalyzing, which we tend to do a lot!
So many questions, if only I could ask Carter.....