NaPoWriMo Day 4 - A Secret

Today’s prompt is from Napowrimo.net and it was to write a poem with a secret. It was a good ‘show don’t tell’ exercise where you have something in the poem which you’re not allowed to name.
Check
A map of all the light switches in the house
plug sockets
possible fire sources
when did we last check the smoke alarms?
carbon monoxide detectors
open windows
all the ways an intruder could kill the dog
unlocked doors
gas hobs
grill
are the taps off?
flooding
the dog drowns
fire bomb through the letter box
is the door locked?
laptop spontaneously combusts
because I didn’t turn it off
dog flap
cat burglar
back gate
out house
warm enough?
(for the dog)
too cold
burst pipes
house flooded
drowned dog
did I leave my straighteners on?
did l leave my straighteners on?
did I leave my straighteners on?
front door shut
front door locked
are you sure?
I’ll just go back and