Morty has gone into seclusion.
We are very upset and saddened. Usually, he is in full bounce-off-of-the-walls euphoria at this time of the year in anticipation of a visit from Santa Cat. Morty adores Santa Cat and the catnip toys he brings to all good boys and girls.
Morty has scarcely belly-flopped into the Christmas tree. He's not himself. He's despondent.
We think he's gotten wind of this: