Amor: paixão da alma, transtorno obsessivo ou disposição evolutiva?

What is love? Sung by poets and musicians, the cause of the greatest joys and sorrows, love is difficult to define. In this text, I will present some ways of understanding love, beginning with the tradition of thinking of love as a passion of the soul. Second, I will present the physiological conception of love as defended in the book Love is the Drug. I will also consider a third way in which love is related to evolutionary strategies.