They nod. Probably would've raided the fridge (carefully) later if she didn't give permission, but it's nice she did. And a whole night is definitely enough time to think up an excuse.

They nod again at Kris after she's gone, shakily walking over and sitting on the bed by the cage.

"Okay," Frisk breathes. The basket is abandoned on their lap to free their hands. 'Why is your S-O-U-L out. How did you do that. How are you alive.'

...Is that even their SOUL?