I think that I am starting a cold, so I'm going to bed.
One occupational hazard of lecturing is the common cold. If you stand at the front of a banked lecture theatre then you are likely to catch all the colds around, as students cough, wheeze and sneeze asynchronously in your direction. Usually I catch a cold every autumn. It's rather later than usual this year. To judge by the volume levels of the coughing in the lecture halls, it's a rather severe cold this year.
Tomorrow I shall make chicken soup and see if I can persuade it to go away.
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