Essays / A letter to my first-year roommate. I have no idea what to talk about. [19]

Tell them about your likes and dislikes. Talk about your hobbies and your family

Essays / Ethical dilemma experienced, essay ideas needed [10]

Maybe you can talk about whether you've ever cheated on something or thought about cheating on something

Undergraduate / Stanford--why a good place for you? ("stereotypical Asian parents") [9]

I agree with the deletion of the first paragraph, however you can use some of your past experiences to further your point about why Stanford is a good place for you. Elaborating more would be nice.