I edited the whole ff. there might be a few changes. 

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"Avni, me ye marriage nahi todunga." Neil was practicing at night. He checked his watch.  'Avni itni der kyu laga rahi hai.' he thought.

"Avni, I love you. Kya tum mujhse karti ko?" he said in an ordering voice, "Nahi, ye kuchh jada hi strict hai. Tum use jail mein nahi bhej rahe ho." he continued practicing how to convince Avni to not leave him; that he had fallen in love with her and wanted to know if she returned his feelings.

'Yeh chor-police ka khel khelte-khelte, tumhe pata hi nahi chala Neil kab Avni tumhare dil me ghar kar gayi.'

'Tum avni se pyaar karte ho, Neil.'

Neil remembered the words Neela ma had said on his wedding day. On the mandap, he had questioned himself, but then denied it all. He kept denying it every single time that he loved her.

Here he was, at chamko cafe, waiting for Avni to come with the divorce papers. He had just realized that he was madly in love with her when he re-winded his memory of going to 'Avni Ayesha ka ghar', where the Mehtas were staying. When he had searched the house, no one was in sight. He momentarily had a heart attack thinking that Dayawanti had killed Avni and was disposing of her. But then he had seen the trails of Avni's jewelry which had been branded in the back of his mind for unknown reasons.  (which he later found out because of his attraction to her.) 

And by some miracle, he had reached the temple on time and stopped Avni from killing Dayawanti. He had arrested Dayawanti, Ketan and Diksha afterwards. Avni  had been reunited with her brother Amol. The happiness he had got from thinking that now finally Avni and him will be able to live a happily married life, had been snatched when Avni had told him that now that her mission was complete, they could divorce, his world had been completely shattered. However, he had dealt with heartbreak before and was able to control himself.

"Hi Neil, konsi soch me pade ho?" Avni snapped her fingers in front of him.

"Oh! hi wifey!" he then realized that he no longer had the authority to call her his wife, "I mean Avni." was it his imagination or did Avni looked a little distraught?

"Ye lo papers, Neil," she handed him the papers which had crushed his hopes of ever getting a happy love life. He looked at Avni's signature, which looked like they had been signed hurriedly. 'Avni wants to go away real quick from me.' he was going to sign but Juhi's words popped in his mind- Agar tumne apna maan nahi bola, toh tumhe suchh kaise pata chalega?

After a few seconds, he slammed the divorce papers abruptly on the table, "Me yeh nahi kar pounga." and there goes his 100 of dialogues he had prepared to tell Avni.

"Kyu Neil? tumne hi toh bola tha ki jab dayawanti ko saja miljayegi toh hum divorce kar sakte hai."

"Par ab meri puri family tumhe pyaar aur accept karchuki hai. Bebe tumhe bilkul nahi jane degi." he was pretty sure he was acting like a kid desperate for ice cream.

"Par me tum par bhoj nahi bun sakti, Neil."

"Tum nahi ho, Avni. Me bhi tumhe accept kar chuka hoon." Avni didn't know what had gotten into her, but she started saying things that did not make sense even to herself.

"Accept kiya hai na, pyaar toh nahi kiya? Neil, tum ek bohot hi achi ladki ko deserve karte ho, na ki ek najayaz aulat." and their nok-jhok commenced . Neil didn't know why the girl was oblivious to the fact that every word he said meant that he love her. 

He cupped her face, "Tum najayaz aulat apne aap ko mat bulao!"

"Neil, sach ko face karo. You deserve someone much better than me!"

"But I only want you! pyaar karta hoon me tumse. Jo tumhari dono maa ko nahi mila, vo me tumhe dena chahta hoon!" 

Avni was taken aback from his words. The words-'pyaar karta hoon tumse.'- were being repeated over and over again in her mind. 'He loves Me!' she thought. But then again Avni wasn't sure. Just words couldn't make her believe. She had heard her father Ashish say 'i love you's to her ma all the time. However, when it was the time to show her by  either staying with his mother or by marrying Ayesha, he chose his mother. That was when Avni had lost faith in love.

She narrowed her eyes," I don't believe you." she started to walk away. She could hear him shouting something, but she didn't hear. she had been thinking so hard that she didn't even bother to look right-left-right before crossing the road.

Out of nowhere, a speeding white car zoomed in the view.

"AVNI!" 

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hi, this is the first ff I've written, so pls bear me. constructive criticism is welcomed. I need at least one vote to continue.

i just read my ff and i realized that there were a lot of mistakes. Srry.