I have to say that I'm discouraged at how slowly I'm recovering from the chest infection of a couple of weeks ago. My breathing is more or less OK now, and my cough has more or less gone, but I'm left with no energy at all and an urgent need to sleep and sleep. It was such a beautiful morning however, that I was determined to get out for a walk and enjoy the burgeoning spring and the warm sunshine. So we set off for a…