Depending on the work you do and how you spend your free time, you might feel like everyone in the world has already taken a CPR class. It’s especially common for people who work in the medical, recreation, and public service industries. For many of those folks, they may very well be on their 10th or even 20th CPR certification class.

However, there are still plenty of people who are considering a CPR class or are scheduled to take their very first one, and aren’t really sure what to expect. After all, how exactly do you train and prepare to save someone’s life?

While we recognize that it would be far easier to enumerate the short list of reasons why you shouldn’t get CPR certification, we thought that it would be sending the wrong message. So instead, we’re covering what we think are 5 of the best — and there are many to choose from — reasons to consider getting your CPR certification.