Wow.... guess I threw out a stumper. I have been to so many spuffy sites looking for this it's not even funny. And unless the author didn't have it marked under AU/AH, or had a really vague summary (which I don't think that was the case, cause if the summary isn't enough to grab me, I generally pass on the story) I have no idea where I read it before, other then it wasn't at the BSV, since they don't do All Human fics (unless that rule changed). The only thing I can think of for not finding it by now, is that I read it on a now defunct site , or the author took the work down.

Which sucks cause I REALLY wanted to read it again. And doing search params for Logan, pretty much pulls up Addie (who I love, miss and wish she would come back to the fandom). I'm thinking I might have to give this one up as a Cold Case, and hope that if anyone stumbles across it, they remember this post, or message me in a PM about it.
Thank you everyone who has looked and those who have posted, which has assured me that I am NOT crazy and this story DOES exist. Because I was really starting to wonder, lol.