This is some other POV that want to put forth here.
When two lead co-actors even if NOT off-screen friends work professionally in a show or film together, still they can bring life to characters & scenes with a well written character and script with a good director,
now if BOTH are exceptionally talented at same par and professional enough to co-ordinate well,
then their chemistry coming across onscreen as a couple to viewers can be mind blowing.
For e.g. KVB, Harshad, Shabir..none I guess were Sriti's off-screen friends when she started working with them as a female lead on past TV shows.
All names mentioned above had popularity, screen presence, talent, spontaneity, passion for their craft that enabled them to light up screens along with Sriti & lift sometimes even an average written scene with their compatibility, mannerisms, diction & performances as co-actors.
yeah when two lead co-actors are already good friends off-screen, there is a comfort level & understanding on sets with friendly positive vibes around, while working together for same show or film.
That may sometimes reflect much better onscreen, only when BOTH of them are exceptionally talented at same level, with amazing screen presence, spontaneous enough to co-ordinate & improvise scenes, situations, dialogues
thus going beyond script by adding their own nuances to well written characters & scenes. Here as actor Arjit is still not at same level of Sriti the actress, in many ways.
Neither he is an actor with diction, screen presence at leagues of KVB, Harshad, Shabir..
still long way for him to learn, improve, polish to reach there.
Loopholes in script, character sketches, consistency, styling already visible in KMTMG,
added if KMTMG writers & makers are in a mad rush just to showcase their pairing or keep on copying/remaking Sriit's past show's couple scenes here,
it can possibly cause a doom very soon as most of Amruta-Virat scenes are appearing forced not organic, there are people like me not able to even foresee future of Amruta with Virat.

I don’t know what happened in Nimrit’s scene, but now no sympathy for her, and knowing Amruta was the topic of convo, I didn’t miss anything.
I don’t want her to marry Virat for the very reasons you have enumerated. And this is why I am against Amvira happening.
I wouldn’t mind a new hero for Sriti and the last two episodes showed why.. Sriti had the lion’s share of the scenes.. and she aced them. Be it the scene with Rajiv or with her mother, and later on, the divorce drama.. she aced each scene. 
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