Why a brand should be obsessed with customer service?

Customer experience (CX) is all about how the customer feels when using your product or service. Customer’s journey consists of five stages

Awareness
Consideration
Purchase
Service
Loyalty Expansion

If all the five stages are fulfilled along the touch points this shows the brands really know how to serve their customers and excels in all parameters. If the customers are served well and are delighted, how does this help the brand? Here are some pointers by which a brand gains-