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Question
Hello, why do we get erections?. Is it a Pyschological thought, because sometimes just the thought of the naked body can give me an erection(not all the time but sometimes). I thought it was also because of lack of oxygen to the penis, but its usually sexual related with me.

Thanks

Answer
An erection allows the penis to enter a woman's vagina.  That is how babies are made and the species can continue.  A non-erect penis would not be able to enter a vagina.

Males get erections at times when they're not getting ready to penetrate a woman in part because it's good exercise for the penis to get erect frequently and go through the motions of sexual arousal and ejaculation.

Mere sexual thoughts can arouse very young males.  As they get older, it takes more physical stimulation to bring on an erection.

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Doug Adams, Ph.D.

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I write from the point of view that masturbation is normal, healthy, and fun, and even necessary to sexual health. I am able to answer questions in all areas of sexuality.

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I am the author of the web site HealthyStrokes.com and have been answering questions about sexuality (especially masturbation) from both males and females for over 13 years.

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I have a Ph.D. in a field unrelated to sexuality from one of the leading educational institutions of the world.

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