The length of time nicotine remains in the blood stream depends on the amount consumed and the frequency of consumption. Nicotine can stay for 48 hours. Beyond this time it is not detected either in the blood or urine. However, the cotinine metabolite can leave traces for about 7 days.
The Color Blue. The color blue is the color of trust and responsibility. This color is one of trust, responsibility, honesty and loyalty. It is sincere, reserved and quiet, and doesn't like to make a fuss or draw attention. It hates confrontation, and likes to do things in its own way.
Blue As a positive, it is a color of trust and loyalty, calm and peace, it suggests loyalty and. integrity (sense of righteousness), inner security and confidence. As a negative, it can indicate being too ridged or too self-righteous, emotionally. unstable, or too conservative. Indigo (blue/purple. color)