At its worst, love is a hindrance to the concept of the Superman. It's a little difficult to achieve a betterment of society when you have noblemen going ga-ga over the girl who milks the castle goats. Love clouds the mind and keeps one from the important task of doing what's right to soar over the average. People imagine that they are unselfish in love because they seek the advantage of another being, often in opposition to their own. In revenge and in love woman is more barbarous than man.
Love is the state in which man sees things most widely different from what they are.
The force of illusion reaches its zenith here, as likewise the sweetening and transfiguring power. Love matches, as they are called, have illusion for their father and need for their mother. God created woman. And boredom did indeed cease from that moment - but many other things ceased as well. Woman was God's second mistake.