Most people in relationships will tell you that the biggest arguments can stem from the most unexpected, seemingly harmless things. However, as the Redditor who shared this post mentioned, it's not really about the minutiae; it's about the bigger picture. In this instance, the bigger picture here is the fact that the original poster (OP) is the breadwinner and the person who foots the grocery bill 99% of the time, and yet, her very simple requests have not been respected. Essentially, OP purcha…