Yes, in our youth-obsessed culture, I am admittedly one of the obsessed. I pull the skin back on my face when I look in the mirror to get a glimpse of my former youthful self (and when I release it, I lament the time I spent that summer on Nantucket with no sunscreen).
This workout is exciting. You sweat, you hate me for telling you about it and you will be sore. How can sand--the stuff we used to play in as children, the stuff of so many fond memories--do this to you?
Do the following: Instead of your usual cardio training indoors, head outdoors. No, I'm not taking ANY excuses for an answer. I'm suggesting one single time outdoors in the next four days. You might like it.