Depends: If you become fully erect during self sex the penis enlarges to its tense & peak size. Whether it ever gets to that point depends on your degree of skill/excitement/erection. Some may not.
Answered 2/25/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
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