Accidentally in error he might say something truthful. How do you know what it is? So pretending to listen and pay attention and pretending to believe is something folks do in a polite society. What they really think they only share with those whom they can trust. Otherwise they would be labeled and accused and attacked and insulted and vilified and crucified. Play along. Stifle it. Bobblehead your way to survival. SIGH. What else can ya do? SPEAK THE TRUTH?