She means that Sylvia operates on instinct.
Some do advocate this position yes. The proponents of this idea say it will teach young people how to overcome obstacles and instill in them some good work ethic and moral striving. Some of them say this is only about teaching young people values of hard work, and that the young people should not be sent into combat unless they want to. On the other hand this really should be a personal choice, whether or not one wants to serve into military. And forceful conscription can lead to rise in militarism, totalitarianism and even to manipulating of the new generations, which would harm the society.
2. she is possibly upset by her result
4. maybe she will wait for me
There's different opinions so you'll be able to focus on the good and bad parts of your rehearsal.
The stage of the writing process in which the writer explores the topic and organizes ideas is called brainstorming/outlining. During this stage, the writer jots down, usually through a graphic organizer such as a bubble map, the ideas that she would like to explore and develop, and begins to organize the structure of the essay, including the main topics that she will write about and in what order.