>I know I've led a sheltered life

So have I, Mr Bingley. Apparently on the other side of the pond to where I am now, the name "Peter" is akin to a common abbreviation for William. When something goes blue, it implies that the temperature has dropped and can alert one to a problem (unless in controlled conditions, as you are aware). Biddy Baxter may never recover.
[ to WOW for "filling me in" emoticon, to save Jackie's ]