The machine smells trouble

If you don’t wash, it's not long before you start to smell really foul. Accompanied by an untidy facial growth, crapping and peeing in the gutters or wherever you fancy makes you everyone’s enemy. That was Rufus.

Rufus was largely oblivious to this fact due to his lack of development in the brain department. A fellow rough-sleeper spat at him, declaring, “You’re a stinky dirty bastard you are. Go on, piss off before I kick your arse!"

After Rufus had one-handedly pummeled the man into a bloody mess, the machine deduced that a change was necessary, and quickly.