“After Nightmare Moon’s defeat, after we were recalled to Canterlot to learn about what had occurred to my brother... Do you remember the promise we made to each other? How we vowed to never mention Sunstone to anypony? How we agreed that it’d be easier if we just kept his tragic story to ourselves? Well, I’d still like to uphold that promise. I really don’t see why we should revise it now of all times. What, because I’ve learned that Sunny wasn’t as gone as I thought he was? That’s hardly an excuse!