1 hour ago
Let's do math , Nihan got into Emir's life since he was 5 years old .
That means he has known her for more than 30 years.
Seeing her in Zeynep is the least thing that can happen for him to ger over her. He ingrained her in his mind since the day he met her as this girl that would fill the emptiness inside of him , she was always part of his life ,for him accepting to let her go would mean his life never existed.
So forgetting about her just like that overnight would be unbelievable for the viewers. He needs time to heal , he needs time to search deeper in his heart to find that Zeynep was there the whole time , he just didn't allow himself to clearly see her and what she truly means to him and believe that this could be possible.
That is the most difficult thing ever for him, he is grieving now , and Zeynep knows that , thats why in this scene she let him talk to her , touch her (after she just realized that he used her to get her to marry him ). She knew he was seeing Nihan , but she decided to go along with it for him to let it all out.