SpongeBob's grandma (more) demented?

[MasiHosseini]

Is SpongeBob's grandma MOAR demented than usual? In earlier SpongeBob episodes, like "Grandma's kisses", "Blackjack", and "The Abrasive Side" she was pretty decent considering her age. In a more recent SpongeBob episode, like "Pet Sitter Pat" she acts more demented than usual. For example, she seemed more confused regarding her age when she wrote that letter to SpongeBob in that particular episode. Not to forget the way she tried to blew the candles out. From a logical standpoint, it seems kinda natural considering her aging crisis. What are your thoughts on this?

Besides, can someone help her with the candles.....?

 

[Original Raw and Uncut]

No

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[BobCarotte]

She was getting so old that she couldn't even remember her age.

 

[BenPaz: Act Zero]

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Cool

Anyway I don't really notice.