There is something that struck me in all the three last episode
1. Wednesday - Khushi had created A mess at GH and she was peacefully sleeping Over it it was at arnav who woke her up and we had that epic scene of IPK
2. Thursday - role reversal Khushi acting like arnav she made all 3 bros wear sherwani and tried to hide her role like arnav always does he does not like to take the credit ( prestissimo marraige )
3. Freiday - arnav acting like Khushi , he wanted her to acknowledge that it was she behind the plan ( havan bangle episode)
They truly have imbibed each other's characteristics now they are acknowledging truly a brilliant episode the way he crossed all the boundaries and facade that he holds bared his soul infront of her. their soul merged without pretenses and words can't describe it either.