https://www.issm.info/sexual-health-qa/what-is-the-refractory-period/
What is the refractory period? - ISSM
The International Society for Sexual Medicine (ISSM) is established to promote research and exchange of knowledge in the field of human sexuality.
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https://instantreloads.teachable.com/courses/academy-of-cum/lectures/561285
Step 1: Initial shortening of the refractory period | Instant Reloads
Teaching males how to remove the refractory period and become truly multiorgasmic
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