wonderful!! I love getting to know Augusta better, and you really make something out of Rufus, who is barely 2 dimensional in canon.
The way both of them are solid in their dignity and heritage makes them a natural match. Once they discover each other, it's natural they'd come together.
The bit about training to resist Veritaserum is great, it adds to the sense of the solid, old-fashioned way of doing things that brings great strength. Their determination and courage in the war effort is wonderful and feels real.
You;ve met the challenge of this marvelous fest, exceeded it really. They are so real to me now!