You are never too old for anything so long as your living and breathing. I read this story and it helped me get off my fat a** and try and do something which I feared, it goes to show anything is possible with the right mind set don’t let your own fears hold you back.
http://web.reporternews.com/1998/texas/read0119.html
http://newearthdaily.com/98-year-old-man-writes-book-after-learning-how-to-read-at-91/