@aimo
where can i find the story?
The post you replied to (by the OP) strongly implies that the post that that post replied to, by Buldog, correctly identifies the story, author and source. Linking to other story sites is prohibited here (it can get the whole thread deleted), so you need to find an ASSTR archive or mirror and search that for the given author/story.
ETA: +50m -==-=-=-=-=-=-=-
Try a quoted search on the last line of the given quote, starting with "much less the ability to at least
I get a single result by highlighting the last 33 words of the above quote and pasting them into a Google search box between "double quotes" (telling Google 'this exact phrase'), linking me straight to Art Martin's story MY SISTER'S PUSSY, which seems to be 14 chapters (with a NSFW picture terrible in quality, pose and aesthetics) that matches the OP's request.
ETA2: (+1d7h) You need to have 'safe search' OFF, and don't include any punctuation between the double-quotes