"Who… who told you that?" Calvin asked, noticing that Roselet had used the word 'had' while talking about it.

"Mommy," Roselet replied. "She told me about him. Lemi and I found her in the graveyard today, and she was crying bitterly thinking about him. But Calvin, I have a question. His birthday is twenty days before Christmas, while my birthday is eleven days before Christmas. Can twins be born nine days apart?" She asked innocently. Calvin didn’t immediately answer her, but after giving it some thought, he realized that he might have been celebrating Roselet's birthday on the wrong date all along.

However, he couldn't possibly know the exact date...