Time doesn't wait for anyone, especially when it's a busy season.
With the banquet hosted, Calista started concentrating on other things; preparing for the birth of her child.
From what she knew, she was supposed to give birth in January earliest, which wasn't bad. There were still three weeks until the due date.
However, when taking into consideration Orson's warning, she understood that the due date might come early, which would be scary if she wasn't prepared enough.
So, once the banquet was done, Calista started pushing for all pending preparations to be finished in time.
There were clothes for the baby which had been taking too long to finish, and Calista started being strict about those.
She wasn't good, no; she didn't like sewing clothes at all, so she had the clothes workshop take that burden.