So how does the song go? Oh, yes: 1 Cohiba siglo I, £6.50. 1 Cohiba Lanceros, £15. 1 Bolivar Bonita, £5. 1 Montecristo A, I dare not say it! Coming up with a fantastic story to feed your wife in order for her to believe the necessity of your expenditure on a Monte A which is only worth half as much?…