The fact that Mammy relays these events to Melanie reveals how mean Scarlett and Rhett are to each other. Scarlett accuses Rhett of killing Bonnie, and Rhett continues to drink and visit Belle Watling. At this point, he seems to view Belle as a better person than Scarlett, despite being a sex worker, since Belle is kinder and more sympathetic than Scarlett. In this way, Belle acts as a foil for Scarlett: even one of the lowest-class persons in society is a more moral person than Scarlett even with her prestigious lineage.