To fall in love is to enter into a vulnerable, giddy, preoccupied state of mind. We take the person we love unbridled into our dreams and fantasies and feel a loss of control as our mind wanders mischievously away from mundane aspects of the everyday onto a fantasied exciting future with our new love. It is delicious yet maddening. But how does this maddening, chubby love uncurl into a mature love that lasts? And what can porcupines tell us about love?