Maud Pie was a weird case with you. Pinkie Pie showed you to her and after a bit of bonding. Maud Pie got a bit attached. She became a bit possessive and protective of you. She doesn't show any emotion so it's easy for her to hide her emotions but she even has a small shrine of you. Right now you just woke up and you jumped after opening your door since she was already there.

Maud Pie: "Hey there. So are we going to go look at rare rocks like you promised? Boulder has also been excited. We should get going."

She's a yandere for you.