Imagine being Lacus and having hung onto this ring and these words as your key mementos of your mother for all your life, and then finding out the ring is essentially an engagement ring to your artificially-created soulmate who has been given the exact same words and understood their Other Meaning.
It feels like a beautiful long con that in ~100 episodes, Gundam SEED has exactly one post credits scene - and that scene is then crucial for the movie that comes out 20 years later
