Korvus? I have no idea about this.
I don't think Jean read his mind. Jean was on kytty wedding where they were together as a couple. She saw them together. See, writers don't read otehr books and editors never bother to fix.
If Jean was going to call him out it should be on Gold
Guggemheim was really bad. I don't think Kurt would ever do this. Editors just let him roll with it, I blame it on Paniccia