Not answering your direct question but do have to say that the only behavior modification I have ever gotten from Dommes related to Whole Foods is them constantly requesting that I go there and pick something up for them rather than a normal grocery store (or places I know that are better).

Literally never go there for any other reason and just like when a Domme kicks me in the balls, it gives me a rush of submissive joy to be forced to take that pain to please them.
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Asp