'Love conquers all' is a motto central to our culture and its Christian heritage. Yet Buddhists think love an obstacle to enlightenment. Nietzsche went further and called love barbaric "for it is practised at the expense of all others". Is love for all an illusion? Might we be better to see love as a dangerous force that by its nature excludes others and gives rise to conflict? Or is love for our closest, our family, and tribe all that really matters?