The author, an adult with a job and family, has started relearning math using Math Academy, an online platform that provides interactive lessons and a structured approach to learning math. The author finds the platform effective and enjoyable, and has been using it consistently for over 100 days. Math Academy's focus is on helping kids learn math, but the author finds it suitable for adult learners as well. The platform offers a range of courses, including a 'Mathematics for Machine Learning' course that the author is working towards.