In my experience, people who get a false positive IgG result, as determined by western blood, they go on to get repeated false positive IgG test. Whatever is tripping the IgG test in your body will continue to do so most of the time, in my experience.
HSV one genital infection is very rarely transmitted via intercourse. This is especially true if no symptoms are present. Of all the things to worry about, I don’t think I would spend a moment worrying about this one since you have no symptoms and are still negative for HSV one.
If you are unsuccessful in putting this behind you, there’s no reason not to do another Western blood
Terri