Yeh Rishta Kya Kehlata Hai S02 E18 Naanima insults Varsha

Daadi does not want Naanima to sleep in her room. Finally, it is decided that she will sleep in Akshara's room. She wants Akshara and Varsha to sleep without gossiping. She insults Varsha and creates a great fuss. Why did she insult Varsha?