Every time you ask someone you want to be when you grow up, you always clearly and accurately answer that doctor. But if you are afraid of blood and it is not so much that would not want to be a doctor, and if you do not know how to do what is required to learn. And most importantly you're making a doctor can try to do it yourself and now in the game. Trial and let everything will fall into place and you're ready to decide whether to be a doctor.