This story is a sequel to Reaction
All actions have consequences, and those consequences can vary widely. A single phrase can change so much.
Things are looking brighter for Twilight, but she is still vulnerable and recovering, and all of the ramifications of what happened haven't come to fruition yet.
Twilight is Rainbow's best friend, and Rainbow is Twilight's best friend. Both of them are struggling with their feelings and what happened, but Rainbow has promised to be there for Twilight, and she will keep her promises, even as the consequences reach a boiling point and threaten their fledgling relationship.
Beware of unmarked spoilers in the comments section.