The sentence had repetitive words replaced with synonyms and pronouns. "but my father disliked..." is too much alike to "my father disliked" so it would get tedious and harder to read.
They replaced it with "but he hated ... " to get some variation.
Answer:
instead of saying Sparrow and Liam exchanged stairs across the library you could instead try saying Liam and Sparrows eyes met from across the room or across the library, or not. I think your story's fine, if you want to make it a few more sentence longer then maybe you can put like a little backstory to why Liam and Sparrow are fighting or not it's your story I'm just you know saying maybe if you want a few more sentences it's something to put.
Answer:
You think positively.
Staying organized also helps you stay on task, so it will naturally be easier for you to get better grades since you study hard.
