The first and for most thing I want to point out is:
Both Imlie and Aryan love each other, and Aryan unconditionally loves her, even Imlie has a special space for Aryan in her heart, though we have no idea, if it is the same unconditional love as Aryan, but she loves Aryan. Look at their every action, their reaction to other, and the way they try to protect each other, and try to become the medicines to their past pains.
The second thing is:
Aryan realised , he loves Imlie, because of his alter ego. But, he is not trying to accept it for 3 things:
1. He wants Imlie to move forward, and achieve her goals first, instead of being in love, during her prime time in career.
2. He has a goal of revenge, that he doesn't want Imlie to interfere with (though he is letting her investigate the case a little bit).
3. He knows Imlie's trauma, from AKT, he knows, for her the word LOVE has become a trigger, which makes her loose control over herself, so he needs to heal this one slowly and carefully. So, he is controlling himself, because he knows he holds a special space in her heart.
The third thing is:
Imlie needs to realise, that she never loved Aditya Kumar Tripathi, she just felt admiration, and hope when he looked at him, nothing else. Even when I rethink the way Imlie behaved near AKT, I felt she felt uncomfortable near him, she never felt a single ounce soul connection with AKT. But, when Aryan entered her life, his words, his every action, and his touch, the way she looses herself in him, everything is always not only touching her mind, heart and body, but instead affecting her soul the most. She is always feeling a rush of warmth thinking about Aryan, she is always thinking of Aryan, when she is awake, she is asleep, she is near him, or, she is far away from him. Everything in her world is about Aryan (though the idiot doesn't want to accept it). Just look at the way, she is begging Aryan for answers (though he gave the answers either before or through his actions), that she never did for AKT. Look at the way she is begging for getting that Aryan back, that she knew (though he is always the same Aryan, only the word revenge made her think otherwise).
Oh God, I wrote out a small essay on the current status of LOVE of Arylie. I am feeling, like, if I start to point out the proofs, it will will become a book for Arylie and their LOVE🤪. So, I am stopping here🤗. Thank you for listening to my nonsense, and good day to everyone❤️.