Many people say that having a good sense of humor is beneficial. This is the case with coding as well. Having a good sense of humor will make your code more readable as it will provide a little chuckle here and there, as well as keep you in a good mood. Working while happier is a great way to avoid lots of little errors. Not only that but, since you are in a good mood, you will be less tempted to distraction making you more efficient. Who doesn't want to complete "8 hours of work" in 5 or 6? Below is a little snippet of some good humor that I put in my code that may or may not be funny, but is of non-detrimental nature, and gave me a bit of a smile.
Why yes, public health is important.