Do you really (rhetorically speaking) think Nancy believes in a God that can ‘bless him’ or ‘his heart’? These are just figures of speech for her, as you say - a shield against her next remarks.
“Do you really (rhetorically speaking) think Nancy believes in a God that can ‘bless him’ or ‘his heart’? These are just figures of speech for her, as you say - a shield against her next remarks.”
It’s usually an expression you hear used by southerners.
You will never hear this expression unless there is an insult involved.