The author envies their love their ability to form a lasting relationship. kind of like if everyone has a boyfriend or girlfriend and you single watching them.
Other than a question mark? I'd have to see the sentence to understand or is this the sentence?
Answer:
because they are divided in half one for the first answer and half for the other
<span>DI emphasizes teacher-student communication
</span><span>It maximizes effectiveness of the limited time you have with your students
</span>In research and philosophy, DI is fundamentally inclusive and optimistic
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