Begin with patterns in your experience rather than demanding a perfect career answer. Notice activities you handle well, situations you find worthwhile, and conditions you need from work. Those clues can help you identify directions to investigate.
Choose a few possibilities and turn each into a question: what does the work involve, what preparation is required, and would the daily reality suit me? A direction is something you can test and refine. You do not have to decide the rest of your working life before taking the first step.