She didn't mean to sound nonchalant about it herself, but it was just their situation that they were dealing with and she was treating it as thus. Another day, another loop, another incident overall...

Blinking at his yawn, she looked away from her notebook and gave a faint smile. She wasn't doing it intentionally, but he seemed to like it.

"... Oh, you're right." She hadn't even been thinking about her birthday...