It's wrong to embarrass a friend in public.
Rose is at brunch with her friends.
Rose wants to let Betsy know that she has a period stain on her skirt.
Rose pulls Betsy aside in the bathroom and offers to give her a sweater to tie around her waist.
Rose loudly tells Betsy that she has a blood stain on her skirt while they are sitting with their friends.
Betsy is not embarassed and is thankful to Rose.
Betsy is embarassed and gets angry at Rose.