[scrumper]

Also, start boxing. Short of military boot camp there is no more effective, more intensive (and, frankly, more badass) exercise out there. Three times a week for 60-80 minutes is all you need.

Think it looks easy? Pick up a 1lb weight in each hand (16oz gloves are standard), make a fist around it, and throw fast punches continuously for three minutes.

Finally, take the weekend off paleo. Get a pizza on Friday, have some beers on Saturday. Make a giant bolognese, cover it in parmesan. Enjoy the things mankind discovered between leaving the caves and building cities.