Folk who remind you that you miss someone.
Being ignored when owed...
Paypal being a cunt, before i verified it it worked like an instant credit card thingy,now its verified its a bank transfer, i want my goods now mothafuckas!!
Like I said, it's sometimes down to facial features. I know when I'm zoning out and can tell when others do. I've also dealt with people who have mental illnesses. That's different to the council scum that just stare at you, slack jawed.
Perhaps that is down to a different type of mental illness, inbreeding.
Oops, that sounded harsh.