Prompt: pet peeves

[il_mio_capitano]

Hello again. My life is full of railway trains and hotels these days so apologies once again for not playing.

This week's prompt for either ficlets or drabbles is

Pet Peeves

What sort of thing pisses Giles off? What minor aggravations fill his day? Will he go postal someday or remain stiff upper lippy? And Who ate all the Wheetabix?