For this do-anywhere, anytime workout, all you need is your water, a towel and a smile! No gym necessary. Perform each of the following exercises for 15 repetitions each. The second round through is 14, then 13, then 12, etc. until all exercises are done at one repetition each. The goal is to finish the entire set in 20 minutes. If you don't finish all the reps in 20 minutes, don't worry! Build off of each workout and improve your strength each time to you get closer and closer to full completion.