Do you ever wonder why your face looks the way it does, or more interestingly, what attracts you to the people you find sexy? We know that people can grow beards, and sure, mustaches look great when twirled audaciously, but what is the actual purpose of facial hair? Dimples were so highly sought after that someone once attempted to create a machine that could give you dimples, but what is it about dimples on a face that we find so endearing? A philtrum is also called a cupid's bow for its ability to be so attractive that it can capture your heart, but what is the actual purpose of a philtrum?
If you're naturally curious as to why you find chins so sexy and why some people have unibrows and others don't, we have the list for you. We've already explained why everyone has nipples, but why do we have fingernails and not claws? Were our fingerprints created specifically to assist forensic investigators? Some of these physical traits serve a purpose, while others are totally vestigial, meaning they don't do anything at all.