Aristotle viewed friendship among the highest virtues. It was an essential element in a full, virtuous and worthwhile life. For Aristotle, there were three kinds of friendship: pleasure, in which two people are wonderfully happy in each other's company; utility, in which two people assist each other in everyday aspects of life; and virtue, in which two people mutually admire each other and will be on best behavior in order not to jeopardize their relationship. The value of friendships is perhaps…