The penis is a very sensitive organ. It doesn't need a certain type of sensation to react to it. Many people experience erections while walking down the street or just sitting in a car.
It doesn't have to be sexually prompted, sometimes it can react to the type of underwear you have. You will know in time. :)
2007-07-10 14:50:49
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answer #1
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answered by fellowsjs 2
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the brain sends a signal that releases nitric oxide into the blood wich dialates the vessels in the penis. Taking a nitric oxide suppliment will create intense erections.
2007-07-11 02:59:21
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answer #2
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answered by mewrongway 3
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The parasympathetic nervous system (part of the autonomic nervous system) sends an impulse. (It's an automatic response).
Then blood starts to rush into the spongy tissue of the corpus cavernosum; and there's the erection.
2007-07-10 21:24:43
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answer #3
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answered by majnun99 7
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Blood flow,follow the links
2007-07-10 21:21:35
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answer #4
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answered by Monte T 6
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your brain sends the order to the blood vessels to send in a heavy flow to ur member and that gets it hard
2007-07-10 22:03:24
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answer #5
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answered by aztecaloco12 2
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Mental or Physical stimulation. They come and go naturally. Enjoy it when it happens.
2007-07-10 23:44:26
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answer #6
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answered by EMAILSKIP 6
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Mechanical or mental stimulation. It's possible to get hard with just one, or both of them.
2007-07-10 21:20:58
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answer #7
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answered by Belzetot 5
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A very nice mental picture.
2007-07-10 21:19:16
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answer #8
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answered by thornhill_girl 1
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Dirty thoughts?
For me it's rain.
I've beat off in the shower so much when it rains I get hard.
2007-07-10 21:21:33
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answer #9
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answered by Anonymous
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Thoughts implicating sexual activity. Blood rushes to the penis.
2007-07-10 21:20:20
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answer #10
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answered by Myself 2
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