Kennedy's ability to eat food in the store without paying for it speaks to her privilege as a white person—none of the employees appear afraid that she's going to steal it. Ruth, on the other hand, is treated like a suspect the entire time she's in the store, and Ruth has little power to push back on this discriminatory treatment. When Kennedy and Ruth at last speak openly and honestly with each other, it suggests that Kennedy is finally willing to listen to Ruth and take her concerns seriously.