Paddy O'Toole had been frequenting the same pub for decades. One day he discovered there was a pub across town serving beer for a shilling less. He told his friends he was switching pubs, and his friends said "Paddy, me lad! Don'tcha understand, the beer may be a shilling less, but the bus fare is ten shillings!" Paddy was undeterred. He replied, "Ah, me good friends, don'tcha worry about that. I'll just drink 'til I make a profit!