Why? Wasn't she the one pushing her mother to marry HS?
Remember the post I made on Minnie... we discussed it there too... Minnie will have her insecurities... she's still a kid... for 17 years she was getting the undivided attention of her mother, for the last year she was also getting the undivided attention of Hanuman... now the attention will be divided from both Hanuman and Babita...
It's not like she won't understand. She will. But this will be her learning curve too. Patiala Babes is not Babita's story only, after all... it is also a story of a teenager from a broken house...