Re ; Good to hear about your teaching friend :)
I do also sometimes function as a guidingdog for him.
Holds my shoulder while I stare the crowd out of our walking space, and warn for stairsteps, pavementedges, streetlights, laternpoles,thrashbins, faulty “parked’ Bicycles, dead rats, heroïnneedles, homeless feaces, and whatever modern cities are decorated with...
;)

Ah yes the aesthetic modern society has to offer, sometimes you’re better off not knowing your surroundings!!!!