Your first name of Hartlef creates a quick, clever mind capable of grasping and assimilating new ideas. You are rather studious, mentally challenging each new idea before accepting it. You have a sensitive nature--sensitive to your environment and particularly sensitive to how your deeper and more serious interests are regarded by others. Because you learn so quickly you have little patience with those whose mental processes are somewhat slower, and you could become supercilious or somewhat "know it all" in your attitude. This characteristic could make you rather unpopular with your associates. " You do not mean to offend but being reserved creates a barrier in communication and makes you appear disinterested. You tend to be studious, analysing each new idea before accepting it. For your interest to be retained you need to be mentally challenged; this was most evident when young and in school. Your sensitivity and lack of verbal expression frustrate and limit the satisfaction in life to be gained from your responsible and capable nature. Moods, which are your worst enemy, result.