[katex]

I don't believe animals know 'it is the end of the line'. They don't understand about death, so how could they ? Just that they are suffering and tired. Maybe you forget how many times your pet has looked at you sadly when visiting the vet on less distressing occasions. Perhaps they just bounce off your mood ?

You will argue that pets know when someone close to them has died, but this is only because things are just different and is confusing, so that is why they go into a black mood.

The other week, a lovely horse at the stables, where I work, had to be put down. Paddy, the labrador, just couldn't understand where his pal had gone and was extremely quite for some time. Because something had changed in his life.