Oh no, not again

Of course! The feeling strangely out-of-sorts; the sudden bursts of brittle anger; a general feeling of dismay and confusion and the writing of bursts of poetry—hmm. Until I felt the tell-tale aches and pains this morning, I had no idea what was wrong. Pluvialis is sick again! Oh, I am seething with anger at the hateful vapours of the fens.