tears come out when im sleepy
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Originally posted by rlsh07:
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In physiology, a smile is a facial expression formed by flexing the muscles most notably near both ends of the mouth. The smile can be also around the eyes. Among humans, it is customarily an expression of pleasure, happiness, or amusement, but can also be an involuntary expression of anxiety, in which case it can be known as a grimace. There is much evidence that smiling is a normal reaction to certain stimuli and occurs regardless of culture. Happiness is most often the cause of a smile. Among animals, the exposure of teeth, which may bear a resemblance to a smile, is often used as a threat or warning display - known as a snarl - or a sign of submission. In chimpanzees, it can be a sign of fear.
Many biologists think the smile started as a sign of fear. Primalogist Signe Preuschoft traces the smile back over 30 million years of evolution to the "fear grin." Monkeys and apes used barely clenched teeth to portray to predators that they were harmless. Biologists believe the smile has evolved differently among species and especially among humans.
Biology is not the only academic discipline that interprets the smile. Those who study kinesics view the smile as an affect display. It can communicate feelings such as: love, happiness, pride, contempt, and embarrassment.
watching digimon back.
since holiday.
from 1-4.

Originally posted by Daisuke-kun:watching digimon back.
since holiday.
from 1-4.
is that gd?







A frown (also known as a scowl) is a facial expression used to indicate displeasure, or disapproval.
The appearance of a frown varies from culture to culture. Although most technical definitions define it as a wrinkling of the brow, in the USA it is primarily thought of as an expression of the mouth. In those cases when used iconically, as with an emoticon, it is entirely presented as a curve of the lips facing away from the eyes ('down').
It most commonly expresses sadness, dissatisfaction, anger, worry or pain.
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Happiness is emotion in which one experiences feelings ranging from contentment and satisfaction to bliss and intense joy. This definition is, however, a synonymous one. A more clarified one is almost impossible to conceive due to the capacity by which a human can allocate the correct words into an appropriate and meritable sentence that would describe happiness.


