"Maybe she was just acting a little 'off' because she was shy or somethin'," Applejack mused.
Rainbow nodded. "Right. I bet she just smiles and laughs internally, like how AJ cries internally."
Applejack nodded.
"Huh." Twilight rubbed her chin. "You're probably right. She doesn't seem very expressive, but that's nothing we can't overcome. And after all, any friend of Pinkie's is a friend of ours, no matter how weird."