The context of the following conversation is Sydney wanted to be a doctor so they knew that they had to work very hard in school to get the right grades to get in to university to study medicine.:
Sydney says I want to be a doctor..
The friend responds That isn't easy..
Sydney responds I have to go a university and study hard and get good grades..
The friend responds That's just to get you into medical school which is harder yet..
Sydney responds I know, but I'm up to it..
The friend responds I think so too..