If those lines are the excerpt then the answer should be that Kelsey felt unsure of exactly what she wanted.
I think the preposition is the word (about).
His good intentions and sincere desire to help the afflicted motivate him.
Unfortunately, Hale is also vulnerable. His zeal for discovering witchcraft allows others, particularly Abigail, to manipulate him. The amount of evidence for witchcraft when he arrives in Salem overwhelms him. Although Hale remains determined not to declare witchcraft unless he can prove it, the expectations of the people of Salem sweep him up, and, as a result, he takes their evidence at face value, rather than investigating it himself.
A simple subject is probably the most basic unit in sentence construction. A subject is a noun, which is a person, place, thing, or idea. A subject tells us who or what the sentence is going to be about. Without a subject, we cannot have a complete sentence. A simple subject is a subject that has just one noun as the focus of the sentence. This means that only one noun does the action, or connects, to the verb of the sentence.
