That’s not what the inside of a vagina looks like. The answer is that evolution caused that shape to be one that’s good at causing a pleasure sensation from penetration of a vagina. However, other shapes also exist and also do this. The penis shape is just the classic option.
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That’s not what the inside of a vagina looks like. The answer is that evolution caused that shape to be one that’s good at causing a pleasure sensation from penetration of a vagina. However, other shapes also exist and also do this. The penis shape is just the classic option.