My answer is that Gregor stays calm in stressful situations.
Well i'm homeschooled and the only advantages are doing my work in my pj's, not having to wake up early, being able to take breaks, and working at my own pace.
All of the above, because all the things listed can be used to develop an essay.
I am not you, therefore I do not know your life nor your friends, however if you are struggling to think of something, think of the times you went to camp with them, or when u both studied/failed on a test together. Or during a birthday party. Or during your first sleepover. These are all great examples of memersble things you and your friend may have done together