If you're not familiar, it involves Guinness drinkers trying to sip enough in one go so that the black of the pint is directly in ... at a time when the wider beer market is actually declining".

He spends 41% of his £1,700 monthly salary on a one-bed flat, 11 percentage points more ... to sip enough in one go so that the black of the pint is directly in line with the middle of the ...