I'm a housewife can you take ibuprofen while drinking wine So how many letters is that, I wonder? “Oh, I don’t know, let’s say at least one letter each a month for the past sixty years.” There is a pregnant pause as our maths fails us and I sheepishly paw at my phone's calculator, which tells me that these two friends have exchanged an astonishing 1,440 letters. “They are all kept in a huge box. I look forward to getting the letters all the time and I’m always pleased to receive them.”