In the final book of the series, she refuses a slice of cake during Ramona's birthday celebration claiming that it is probably unhygienic and eating an apple instead, but soon afterward she confesses, in tears, her lifelong striving for perfection among adults, and her relationship with Ramona seems to improve afterward.
In the final book of the series, she spurns a slice of cake during Ramona's birthday celebration by deeming it unhygienic and instead selects an apple. Subsequently, she reveals, overcome with emotion, her lifelong aspiration for flawlessness among adults, which appears to enhance her bond with Ramona.