Update: Oct. 29, 2018
A match? From Miami book fair, November, 2017? (I went there, where my books were being promoted). A totally random coincidence.
Update: Nov. 15
Michael Henry has other little ditties, like "Wow, You Have a Beard". Avoir, to have, is what make you valuable? Here, it seems that chest hair is an optional extension of the beard -- except that not everybody can have it.