Other than being hurt in love by Sameer, what is the most prominent fear Naina has?
It is the fear of being like Meghaben.
SHE DOES NOT WANT TO END UP LIKE MEGHABEN.
(Being mocked, ridiculed, her parents and family being insulted in the community)
Now, for her to trust Sameer in love once more (again taking a risk to trust him at the possible cost of her and her family's reputation), is a huge task.
As I said, she does not want to be another Meghaben.
Therefore, are Sameer's sorry enough? Are they enough for Naina to let go her fear. I assume NO. It will be difficult for any girl.
Therefore, Sameer's needs to quickly get over the Guilt mode and start feeling Love Wala Love for Naina. Right now its profoundly confusing what he wants as the lines of guilt and love are intermixed. In fact, guilt is overburdening.
First, Sameer should be clear, what he feels. Maybe once he gets his SORRY (after Naina forgives him understanding why he did what he did but not giving Sameer any feeling of previous love she showered on him), he will still not be at peace and maybe then Sameer will know he is in real LOVE with every angle and aspect of Naina.
But is his delayed realization a strong enough reason for Naina to put her emotions/reputation at risk again by trusting him?
For this, the character of Sameer needs to show having clearcut emotions, so that Naina can understand and not be in double mind or confused like many viewers.