Because Dog can be a brat sometimes. Thankfully not often.
Jack also has to do her history so she can't stay long.
And sometimes she talks in the third person for no reason.
Jack has also been watching the remake of Voltron, because she is that sort of geek. She can't even blame this one on her baby hedgehog, even though he enjoys it as well.
That is all. Jack needs to finish her history so she can go to bed. Because she likes bed.