Smell test

Further evidence that I lead a life of privilege and glamour...

"Has he peed?"
"Hmm, his blanket does look wet, let me see..."
"Oh, up, definitely wet but his water bowl is also empty, so it could be that. Probably need to know for sure though."
***sniff, sniff***
"Oh! Urine! Definitely urine! He peed! Yesssssss!"

Oh, the things that we do for our animal patients.