Two

    Well, two is special, too. Second chances and the measurement of time "seconds" and even seconds of food are all crucial to today's society. You might think, So two is the most important? Well, not exactly. The second guy to circumnavigate the world will never be as glorified as the first. The second in command isn't as respected as the first in commnand. Second place in any competition just doesn't feel quite as good as getting first. A classmate once said his coach told him "Second place loser is first place winner." On the other hand, sets of two can be really nice. An average human has two eyes, two legs, two arms, two nostrils, and various other pairs of body parts. Socks and shoes in pairs are much nicer than ones that come in sets of 99 or 3. With two people, there's always some company.
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Three will be posted probably within three days. :)