Love is the surprising emotion that company builders cannot afford to ignore.

Genuine, heartfelt devotion and loyalty from customers -- yes, love -- is what propels a select few companies ahead. Think about the products and companies that you really care about and how they make you feel. You do not merely likethose products, you adore them.

Consider your own emotions and a key insight is revealed: Love is central to business. Nobody talks about it, but it is obvious in hindsight.

Lovability: How to Build a Business That People Love and...