Yes, she knows. And she knows that Amelia can get so wrapped up in the planning that she loses sight of the bigger picture. Time to impart some more helpful advice.

"I think your relationship is so new that you probably would be better off planning something together. And no, it won't spoil the presents, you don't have to tell her what you're getting her. The shops around here go all out for the holiday, you can get plenty of ideas just by looking at the store displays."