Aristotle on friendship

Reading: Aristotle, Nicomachean Ethics, Book II [Virtue of Character], pp. 21-34; Book VIII [Friendship], pp. 136-14
Using critical thinking, 250 words, and the reading of the Week 8, answer the questions:1. Why is friendship a virtue, according to Aristotle?2. What are necessary conditions of the perfect friendship by Aristotle? Why or why not?3. What is friendship, according to you? How can it improve societies, if any?