Your first name of Sjoerdtsje gives you a poised, gracious, and reserved nature. Your analytical qualities make you a good business head, capable and clever, and you could gravitate to executive, managerial, or accounting positions. As you do not like to be taken for granted, you can be somewhat stubborn and unbending when you feel misunderstood. These aspects are dear to you and touch you deeply. You are intellectual and not easily swayed through the emotions. As you are a private person, it is a challenge for others to get to know and understand you. Once you settle in to accomplish a task, you like to carry it through to completion, quietly and efficiently. As you live much of the time within your own thoughts, someone can be speaking to you face to face, but you will be thinking about something entirely different and have closed out the conversation. You love to read and can develop great powers of concentration. Any weaknesses in health tends to affect the heart and respiratory organs or the female organs.