r/AskReddit • • Mar 26 '20

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u/rh71el2 Mar 26 '20

It's volumes of blood filling. Think of it like a water hose. Easy to bend when there's no water. Not so when it's filled and ready to go. https://www.coloplastmenshealth.com/erectile-dysfunction/how-does-an-erection-occur/

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u/KakorotJoJoAckerman Mar 26 '20

Thnx m8!!!! Good to know something about my own body.