We need to know what passage in order to know who Jillian is
Written prose is more complex than informal speech in that it is more structured and organized.
When you are talking to somebody, usually you are not going to pay much attention to the way you organize your thoughts, you just want to get your ideas out there. In prose, however, you cannot do that - or else it will be very difficult to understand your writing.
I think it’s the last one. It’s gotta be, I’m sure
