You take a shower to GET clean. Because trust me, they really do not care. Yoga helps realign and bring you back in to a balanced state while simultaneously improving your flexibility, strength and overall health. Plus, you have to sign up for classes, and you're fined if you miss them.
You'll stick to your end goal, and your friends won't roll their eyes as you scan the menu for something that won't cancel out your morning spin class. You could easily take the 6 train downtown or drive to your friend's birthday dinner, but why not put on your sneakers and walk the extra three miles? With a wide variety of workout classes, you're bound to find something you'll actually look forward to attending. Track what you're putting in your body.