Just as he's calming down, she comes out with that, and Pheres dissolves into embarrassed laughter all over again.

"Stop, stop," he manages, finally, gasping for breath, "my pumpbiscuit is going to explode, and it'll be all your fault, you - you horrible person -"

He doesn't hear the door open behind him. Probably for the best: his face is currently buried behind an arm, and he's wheezing for breath. His pumpbiscuit exploding from sheer stress might actually be a legitimate possibility.