Please sir, I appear to have lost the will to live

From the BBC:

An Indian has taught a marathon non-stop, no-sleep English grammar class for three days to 60 students in the city of Mumbai (Bombay).

Sanjay Kumar Sinha taught for 73 hours and 24 minutes in an attempt to get into the Guinness Book of Records for the longest lesson.

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Three days? We used to measure out Latin lessons in decades.