It should include a summary of your personal insight
Answer to P1 (details to part 2 should be in the comments soon enough)
In the story, Antigone, the protagonist, develops as a result of her statements regarding the death of her brother. She speaks to her sister about burying their brother who was dishonored by Creon, which is how the author develops and introduces the characters to the audience.
Question 1: which. Question 2: that.
Writers and poets use personification to bring inanimate things to life, so that their nature and actions are understood in a better way. Because it is easier for us to relate to something that is human or that possesses human traits.
Hope this helps :)
Answer:
it sounds fine to me, but I think it would be better as"I should've never changed the color of my braces to orange." But either work I'm pretty sure