Doubt she has any moral qualms about faking human emotion...just doubt her ability to pull it off.
A whiff of onion will so it. Pulling a hair out will do it. She just needs to be very, very careful she doesn’t go too far. The context will have to be something personal like being a granny, or when she buried her dad, the small business man who she “is glad he never did business with Trump”! Are we in grade school?