Thank you, thank you, oh thank you, TS!

This
is a change! Ahhh, it's like old times *relaxes in chair* Oh, ahem... but *cough cough* I have made a few attempts at new AIO topics, including one of some slight depth (though nothing like as deep as we used to go) in the Front Counter. *taps foot* Have you even noticed it!?
Anyhow...
I'm surprised you think Emily has become to predictable, OF. Mr. Thinker makes it very clear he has the opposite problem with her. She's a best friend one minute, bossy and driving people crazy the next (and, often, at the same time.) She's giggly a lover girl with Buck, then clears her throat and looks for clues with him calmly. I love her for her unpredictability... and are a bit confused why you think her predictable. Yes, her character fits together well, and we know how she will react, often. But she still surprises. Who could tell she'd force herself through sleepless nights of stress to prove herself to her parents?
The comfortableness of a formula is naturally essential to a story. And AIO does it as well as any piece of genius. In Jules Verne's classic,
Around the World in Eighty Days, Phileas Fogg is characterized by never reacting to anything. No matter what happens, from a helpless woman sacrifice to every obstacle that threatens to make him lose his whole fortune, he holds his emotions within, eternally resourceful and acting, yet doing so without ever so much as a change in expression. Yes, he is kind, even loving, yet does all with precision and emotionless equanimity. Thus, we know what to expect from him at nearly every turn in the story.
This is a very exaggerated case of a character, well, being a character, showing patterns of behaviour. These make us feel we know them. They are our friends. We are familiar with what they do. And like it. Valerie coldly bites. Whit advises and comforts. Connie screams and pries. Trent day dreams and excels in school. Etc.
Yet, in the end, one of the greatest tests of a character is how it surprises us. At the end of the day, can the character be faced with a significant choice... and keep us tense and wondering what they will do?
This is part of where a character becomes real.
For, after all, a real person is someone who can do anything. Who can make any choice.
And you just don't know what the choice will be.
If it will be good, or if it will be destructive.
That's what reality is.
There is so little we can know, so little we can predict... most of all, so little we can uderstand. We are flooded with
information about the world, but we don't
understand the world more for it. We don't understand the characters of life. The presidents who let babies die. The insane murderer. The children who starve despite our belief in a loving God.
And so, it's when Emily... Whit... Wooton... when they are standing at a cross road... and we don't know what will happen...
That's when a character turns into a person.