Most five-year-olds want to be firefighters, astronauts, doctors, nurses, police officers, chefs, animal doctors, but how many will actually stick to their childhood "dream"?

At age five Milicent McCalla made a decision to become a nurse upon watching the "angel" nurse in the white uniform and cap care for her father in the hospital after a serious accident. As the nurse turned to leave the room, she touched Milicent on the head, and Milicent said in childlike innocence, "I am going to be a nurse like you." The nurse then said something that stuck with Milicent throughout her schooling: "You...