Pinkie: "Hey, shouldn't Spike be here since we're his only friends?" Twilight: "Nah, the title says friendship is magic, but it actually means pony friendship is magic. Spike's just a minor presence in my life, he doesn't need friends." Rarity: "After all, he isn't a pony or an Element bearer, and therefore shouldn't be seen with us."
Otherwise, beautiful picture. Just wish it didn't leave me frowning.