Lowering his head back down between his legs, and flattening his ears back, Button continued.  "So, knowing that I'd break your heart, that you'd cry, and that you very well may hate me for the rest of your life, I broke up with you.  I told myself that it was for the best, that letting you go would make the lives of so many ponies so much better, and it has.  If I have one regret, it's that I had to hurt you for this to happen."