When the dust cleared, the mare standing in front of Twilight Sparkle was revealed to be... Twilight Sparkle --with wings.
"What? Again? This happened last week! I suppose you're scientifically possible. But wings? THAT's pushing it."
"Jeez. I was such a dork last month. Yes, I'm from the future; no there's no robot apocalypse; I just forgot my safe combo.
"Oh, ok it's... actually first there's something I've always wanted to try."
"Grrrr, stupid time paradoxes. I remember this. Fine, I'll make out with you."