Unable of Late

Of late, I seem unable To write a song or fable. Perhaps it’s too much caffeine; I seem to be unstable. Now recently, I’m shaking; My muscles have been aching. I may be lacking protein, Or maybe I’m just faking. A certain strange malodor; Those germs are all freeloaders. Perhaps it is my hygiene, My wife complained, I showed her. Perhaps it’s too much caffeine, I may be lacking protein. Of late, I seem unable; Perhaps it is my hygiene. ---------- Another of the 4 stanza poems where the 4th is constructed from the non-rhyming lines from first 3 and the first line from the first. This one is 7 syllables throughout, so depending on the definition of a jueju, it fits that category, as described in "Dawn song". It's also fairly stupid, just trying to get the hang of this 4th stanza as a summary of the first 3...