Because life was boring and basically meaningless
That is a true statement.
The correct answer is the second option. While Elinor does not feel secure, or safe, she maintains her self control. This means that she does not actually portray the emotions she's feeling, but instead appears fine. "Letting your guard down" signifies that you're showing emotion, which Elinor does not do. Instead, she remains composed, and keeps her guard up.
Such as I know there is no animal that can play music or than making sounds. Sorry if I was wrong
Answer:
The question wants something from your personal experience.