showed last 75 words of 282 total
first thought of his shrewdness is the whereabouts of his last duchess. He never mentions her location. Questions of her death, banishment, or incarceration come to mind. When the duke could not handle the smiles anymore, he ordered them to cease. The smiles stopped.
All the effort put into hiding his personality was useless. He was transparent. No matter how much energy is put into hiding ones personality, the true person will always be seen.