The correct answer is new supporting evidence.
Answer:
When you start to enjoy being alone, you'll quickly see that solitude means you don't have to keep apologizing for what you've done. So often, we do things that end up upsetting other people, or hurting someone else's feelings, and then have to quickly apologize for it.
A set of two things or regarded as a pair
The narrator's mood is determined by the state of the relationship with his love.
the fourth choice of your following answers!