Some say that by comparing the left and right hand you are seeing what you were given and what you did with it, respectively. Most palm readers agree to read the dominant hand and use the other hand as a supplementary guide. Others say to read the right hand if you are under thirty and the left if you are over. And even others say it depends on what you want to know and whether you are male or female (left side is female, emotional right side is male, practical.)