View full lesson: ed.ted.com/lessons/why-do-we-love-a-philosophical-inquiry-skye-c-cleary Ah, romantic love; beautiful and intoxicating, heart-breaking and soul-crushing... often all at the same time! If romantic love has a purpose, neither science nor psychology has discovered it yet – but over the course of history, some of our most respected philosophers have put forward some intriguing theories. Skye C. Cleary outlines five of these philosophical perspectives on why we love. Lesson by Skye C. Cleary, animation by Avi Ofer.