When learning SRE, you might find its principles a bit unintuitive. For example, it might be difficult to learn why aiming for 100% reliability is wasteful, or how reliability isn’t the same as availability, or why failure ought to be celebrated. Believe it or not, there is a method to these ideas. My goal in this article is to shed light on the principles and to leave you a believer, such that you’ll take steps towards starting SRE practices.