The two lines of the palm are connected into a line. What's the point?

This is a broken palm. Everyone in junior high school has heard of it. It hurts to hit someone. Say something unpleasant. I heard that this palm is not particularly lucky. If you take care of it, you can be careful. I think this is bullshit. I heard that the broken palm was caused by wisdom line's emotional line. In addition to bad luck, it may also imply that you are alone ... I hope you are decisive.