We have actually been told that she is a happy to go lucky girl until high school… it is later she became more engrossed with responsibilities, but was having wonderful camaraderie with her sisters and friends… and neeraj with maithri happened, she has to put up walls of unconquerable fortress around her heart… she won’t wantedly hurt someone, even if that someone hurt her , but won’t back down if it is a family member… many used this vulnerability against her , so she keeps up her walls all the time…
sara said this after audio clip reveal , I think!