AI personal tutor which teaches, mentors and follows one's life as Aristotle did for Alexander the Great in ancient Greek. with help of AI, natural language understanding, voice recognition and deep learning, it should guide a person, teach them and keep its records, help them learn a new musical instrument, personal finances and so on; it should also keep track of our health and recommend exercises, activities or nutrition to help us be in good shape. When available, it could take form as a human character aided by augmented reality and help the mentoree better interact with the world and with other people. It must be personalized for each individual and it should grow as it's owner does.