It's almost embarrassing, but I do have one trick for taking portraits on commission. I carry one of these little bicycle horns in my pocket, and once in a while, when someone is sour-faced or stiff, I blow my horn. It sort of shatters the barriers. It's silly, but it works.
Sentiment: POSITIVE
That was' one time when my technique absolutely deserted me, I must admit. There was a wax face that he had created himself to cover his own ugliness. I was in his clutches and I had to hit him in the face.