I'm sure you have not only heard, but also used the famous phrase "opposites attract." The statement stands true not only in physics and chemistry, but also in relationships and friendships. We tend to be attracted to people with personalities that differ from ours, so life would be more interesting, and desire the opposite of what we have. A perfect example of this, is Sula and Nel, best friends from Toni Morrison's novel, "Sula", where the conventional ideas of good and evil are turned upside down. The two girls are like opposite sides of a magnet, strongly attracted toward one another and useless when split apart. Life puts their friendship to the test by toying with love and sex, life and death, and good and evil, eventually breaking the strong bond of their friendship apart.

Sula and Nel's friendship can be thought of as a magnet, Sula, being...