Why do you want to keep customers happy?
You can keep customers happy by putting an extreme focus on them.  Your business should exist to serve the needs of your customer.  You could also call this customer obsession.  By focussing on them and keeping them happy you will reduce customer attrition and churn, and you will have a continuous source of revenue for years to come because these happy customers turn into repeat customers over and over.
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
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Answer the following query.
Why do you want to keep customers happy?

user
You can keep customers happy by putting an extreme focus on them.  Your business should exist to serve the needs of your customer.  You could also call this customer obsession.  By focussing on them and keeping them happy you will reduce customer attrition and churn, and you will have a continuous source of revenue for years to come because these happy customers turn into repeat customers over and over.
assistant