Why Doesn’t Your Sphincter Get Tired?
Keeping a muscle clenched usually tires it out eventually, but that’s not the case for sphincters, which do things a little differently.
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ChaostrophicWhy Doesn’t Your Sphincter Get Tired?
Keeping a muscle clenched usually tires it out eventually, but that’s not the case for sphincters, which do things a little differently.
One reply on “Why Doesn’t Your Sphincter Get Tired?”
I beg to differ. I’ve known a woman whose sphincter was so tired a catfish could hide up there.