I think most of us want nakku to leave (me included😊) is because it feels good to have a jealous or hankering dutta following nakku or searching for her.... it will our ego a good boosting and of course love struck dutta will be a treat to watch😉...
and yes... I do think that leaving dutta will be much against nakku's character...but looking to the story we see a lot of change in nakku...nakku who was oblivious to kala's faults even after seeing her drinking and rejoicing that she was leaving jolted back into tigress mode when kala revealed her face and said that she wanted to destroy dutta....she is now getting even with kala...intelligent nakku was not something which we would have thought possible....but she has shown that she has brains to compete kala...jsut like dutta has changed with so many dhokhas in his life...nakku has also changed with so many villains in her life..she has too
secondly when dutta freed her from the faansi ka fanda... at that point of time also she did not beg dutta to be with her... she left....she has that self respect and i like that....in here also, i think we will be seeing her being banished by dutta after her chastity is called into question ( although i would prefer she leaves on her own and let dutta realize his mistakes but that would be so not-nakku😔) and nakku wont beg....
the story actually reminds me somewhat of Ramayana....Sitaji accompanied Ram in every great calamity of his life....but when her character was questioned and she was banished from the capital she did not once ask to be taken back and lived in the jungle with her sons....
so in spite of the fact that we wont be liking tasha separation..it has to be that way....and i think it would make dutta go to the basti and we will have a full circle...coming back to where it all started...😊