Mood rings offer convenient color-coded glimpses into our emotional states: red indicates stress, yellow suggests blinding rage, and green means rich in vitamins, cellulose, and fiber. Get in the mood for green with today's Groupon: for $5, you get $10 worth of sandwiches and eclectic fare at Salad & Co. Restaurant.

Salad & Co. populates its hefty menu with a colossal selection of sammies and salads. More than 15 salads pack a green punch, including the cobb salad ($7.95) and spinach salad ($7.95), and dishes such as the falafel platter ($7.95) keep options open as wide as a pondering fence-sitter's mind. Salad & Co. also masters more than 25 sandwiches and wraps to appease the utensil-less gods, with gourmet and classic choices such as the Old English roast beef ($7.95+), the oven-roasted chicken breast ($7.95+), and the Cuban ($7.50).