And this doesn't just happen at congested intersections, it happens everywhere. Now I complain when my brother pulls up practically on the bumper of the car in front at a light, but a couple feet is usually the norm. A car length and a half is STUPID!
Mood necklaces or rings usually contain a chemical that changes color with heat (example cold to warmer black, purple, blue, green, reddish). They then usually have a pamphlet saying what the colors mean.
The appearance of color white on a person's mood ring means the person is bored, frustrated or confused. Green. This color when appears on the ring means, the person is in an ideal mood, which means the person is feeling calm and peaceful. As this is the color which is calibrated to the average surface skin temperature.