The lines on your palm might reveal more about your personality than you think—especially if you have a special “M” shape. According to palmistry, the ancient art of palm reading, finding the letter “M” among the lines on your palm could mean you’re someone truly unique.

Not everyone buys into palmistry, of course, and many people insist that most people actually have an “M” shape on their palms if you look hard enough. To some skeptics, the “M” shape is simply the natural intersection of lines most people have. However, for believers in the art of palmistry and the symbolic world of spirituality, spotting an “M” on your palm is seen as an exciting sign of potential and good luck.

Ultimately, the interpretation comes down to whether or not you believe in the ancient practice of palmistry. The “M” marking has its roots in centuries-old traditions, but what it means can vary widely based on your beliefs.