call it earnest whimsy

Wake did hear her, however. His usual carefree expression changed to one of seriousness and he questioned her. Sid stared down at the dish between her paws.  "Still bad. Still really bad." She hadn't told anyone about the extent of her fucked-upedness yet. It was difficult to admit weakness and this brain thing was definitely a weakness.

"I'll be okay though. Don't you worry," she assured her brother with a confident smile, though internally, she felt anything but. It was easy to put on a front and pretend like nothing was wrong when it came to family. Sid didn't want them to worry about her. She was fine. She would be fine.

"Siduri"