A mood ring does not actually "know" your mood. In many cases though, the color of your ring might be accurate in the way you feel. Body temperature plays a major role in the selection of color of a...
Violet Blue - Happy, In Love Blue - Calm, Relaxed Green - Average, Not Much Going On With You/ Happy Yellow/Amber - Tense, Excited Brown/Gray - Nervous, Anxious Black - Cold Temperature, Tired Or...