Your first name of Kayin has developed qualities of positivity, independence, and self-confidence. Your mind is quick to comprehend and you can be depended upon to do any job well. Your verbal expression does not reflect your inner thoughts and feelings, and you often wonder why people react to what you say. You have a forthright, matter-of-fact manner that others turn to in times of need. Self-consciousness and lack of expression limit your ability to give in this way. Devoting some time to helping those in less fortunate circumstances is important to you. You can be depended upon to do any job well and you will often carry out an undertaking yourself instead of accepting a second-rate job accomplished by another. You do not change your mind readily. It is a name that makes you far too practical and serious-minded, and makes it difficult for you to act with spontaneity. Health weaknesses of this name centre in the head, resulting in such conditions as headaches, sinus problems, or weak eyes.