Workin' out like a rock star
You like endorphins? Hard to beat jumping up and down and singing too loud for half an hour. Moderate cardio, but not anything like jogging yourself to death! Calves, abs and plenty of other muscles are developed, and it's PLAY. So rock out with your Grok out!
Don't forget to party and get laid like a rock star while your at it....sex can be quite a great exercise if your partner is into it . I like to make sure to hit every major muscle group in eat HIT sex session