
That's not entirely true. They are happy with each other so far. Heinley knows he loves her Ofc but although Navier likes him, she only slowly starts to fall for him not realising because she's never had a proper first love with sovieshit.
But yeah he's gonna try to stop them from leaving but they will anyway Ofc. The difficult part is when Navier has to get the favour of the public in the Western Kingdom due to them still loving the previous Queen, Heinley's sister in law, christa.

A little spoiler to you guys if you want ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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Rashta gonna die, someone tell that soushit the baby not from him and he will believe to that. Thats why he gonna lock rashta to a tower and she gonna kill herself or someone gave her poison saying it was just show for soushit to save her. The translation werent good so i am not sure which is true. Anyway the baby gonna kidnapped and soushit gonna think baby died and he will be crying over while he was hugging the clothes. I dont remember if after this or before this he learn the baby not his. And he learns that rashta have a baby too before meeting him. But okay with that. After rashta dies he never gonna be with any woman, crying over navier so much(LOL). And the one with rashta, the duke friends with heinley i dont remember his name, he is actually supporting rashta because he planned this with heinley. If i am not wrong baby is from him. Or not because translations were really bad when i read novel so there is a chance the baby from him or from soushit.

If i remember correct heinley was sad about something between them. I read novel when this webtoon just started(it was in the 2 or 3rd chap). So translation was so rough and hard to understand. They werent not happy but heinley wasnt so happy either. He wanted navier to love him. If i remember correct navier said something to make him sad about their realitionship too. I dont remember so much about it, it was so much time ago that i read.
Guys a little spoiler
Dont be so happy with divorce. Navier and heinley not gonna be happy couple for awhile. It gonna take time. And thinking the divorce come in chapter 80 i dont even want to know when they are gonna have a happy and two sided realitionship :((((( feel sorry for heinley but i can understand why navier is like that and i still love her too. Just want them happy thats all