@houseoftolstoy Agreed. Perhaps he is conceding to not eat his food of choice to show a sense of solidarity with his wife, perhaps a budget constraint, perhaps an overbearing wife.
The Real problem is just as the cartoon illustrates. You are overthinking.
Aside: the fact he preferred crunchy peanut butter over creamy peanut butter, like a proper Gentleman, you know, is another issue that needs to be addressed.