She keeps saying that because she wants Sid to believe that LOGICALLY only Arti can be his life partner. Dekha nahi kaise sharma rahi thi jaise Sid ke naam ki haldi lagne waali ho, agar temperament match nahi karta to why even say that destiny mein likha hoga to Sid se hi shaadi hogi, wow! Bakri abhi se chaare ke sapne dekh rahi hai, pata nahi usko ki kab uska katal ho jaayega.