How do you know that you are getting too old for this shit? Easy! When the grading rubric for your son’s high school class includes references to objects and methods of a language that you’ve been thinking you need to learn to further your career to pay for his college, then his buddy of one year younger mentions learning a language in only two hours that made it easier, you might as well Peter Principle your ass into a Hoveround and Walmart greet your way into a retirement home.