We can all think of a friend or a movie (or both if we are lucky enough) that makes us laugh. But absent those automatic triggers, how often do you laugh? Laughter can also keep you healthy, according to the Mayo Clinic. Research has found both short and long-term benefits: Laughter can increase oxygen to the heart, lungs, and muscles, increase the endorphins that are released by your brain, improve your mood, and reduce physical pain. Today, we will give you 8 helpful tips on how to not only develop but keep your sense of humor.