"Ever seen one of those nuclear bomb test videos where the faces of people watching the test start rippling and stretching backwards as the shockwave hits them? "Except it was a shockwave of the hot stench of the piss of an ungodly number of cats that pissed everywhere but the litter tray. I couldn't wrap my head around how any human could possibly tolerate or grow immune to that genuinely horrifying stench. The odour blasting out of her open front door was far too revolting to set foot inside. So, to answer the question: I didn't see a thing, because I never got past her front door."