Prerna is right he does not have any clarity about his thoughts.
He is so confident about himself that he doesn't understand that Prerna could feel bad that he spoke about her like that to Sid.
He also says he knows her and understands why she agreed to marry Naveen and this is the second time that he has misunderstood her being upset and said she is upset because he stopped her wedding to Naveen.
Stop calling Prerna immature, Anurag, and grow up!