Oh, and a badly-tended-to scrape will also lead to tenderness and inflammation--and as everyone knows, a scrape is already raw and sensitive to the touch. This is no different. It's just the location that is screwing everyone up. This auto-immune bullshit is just that; it's just one of the many ludicrous, over the top conclusions one draws when they overthink this.
I know I'm coming off as abrasive, but please don't take anything I say offensively. I'm just delighted that my lip problem has finally resolved, and I'm extremely pissed off, in a way, that the solution was so damn simple, the explanation so freakin elementary, that I want others not to go through the hell we've all been through.