This is a question aimed at determining how satisfied you are with your career of choice. Answering by sharing hindsight, and alternate paths you could have taken to have reached your goals sooner, suggests professional and personal growth and development. Whereas detailing an entirely different career choice, field, or industry is more likely to suggest you regret choosing the career you are trapped in, and would switch careers if you could. Such a response would serve as a red flag for your interviewer, who would conclude you are potentially burned out, and would not perform as well as someone who loved their career and was interested in furthering their growth with this opportunity. When answering this question, consider the first tagline you see when you visit their careers page, "A career is a journey, take yours further."