Why do we always sneeze twice??

Answer:
i dont

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I only sneeze once...

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Not all of use do but I guess when it happens it because the 1st didn't do the job.

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Oh please, my old grandmother still does nine every time!!

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the smaller the sneeze is, the more there will be.

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maybe U do I don't Last night 3 sneeze in a row 5 min. later 4 more sneezes %26 I do not have a cold could be that what is causeing U to sneeze didn't get removed 1st sneeze

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I dont,usually just the once for me.

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sorry but 4 me it's always thrice

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3 times is supposed to be lucky. i haven't a set amount of times i sneeze. it depends on my environment. but if you are looking for a logical explanation then at a guess i would say the first time didn't get rid of all it needed to, so a second sneeze was needed.
ps .. i sneeze most in the sun.

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People don't. Usually if people sneeze more than once, it's allergic sneezing, rather than just a tickle.
You might want to take some anithistimine if you find yourself sneezing repetitively. Be aware though, that some antihistamines can make a lot of people drowsy (diphenhydramine-- brand name Benadryl) the newer and more expensive ones, mostly pescription antihistamines tend not to (over the counter example is loratidine-- brand name Claritin).

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not always

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because you get a kiss.....once a wish...twice a kiss.....three times a letter.....four times something better

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Cause once is not enough

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