It's mean to stop talking to your friends.
Megan's friend Nancy started dating Megan's ex-boyfriend, which has made Megan very upset.
Megan wants to let Nancy know about her displeasure.
Megan talks with Nancy and tells her about how upset she is over Nancy's relationship with her ex-boyfriend.
Megan gives Nancy the cold shoulder and ignores her at every possible opportunity.
Nancy understands why Megan is upset and explains her side of the story, eventually coming to terms with Megan.
Nancy refuses to break off her relationship with Megan's ex-boyfriend and instead begins to hate Megan for her ill treatment of her.