Pleeeease HELP

Help me find this book, please! I’m desperate! 😭😭😭

Hey, everyone! I’m in a bit of a pickle here. My girlfriend recently read a book that she absolutely loved and can’t stop talking about. But when I asked her what it’s called, she flat-out refused to tell me 😅. All she did was drop a few hints, and now I’m on a mission to figure it out. I know it’s going to be nearly impossible, but I’m hoping someone here can help me out. Here’s everything I know:

• Genre: It’s definitely a romance novel.

• Content: It’s marked 18+, so it has mature themes.

• Language: She reads in either Ukrainian or Russian, probably Ukrainian.

• Pages: It’s exactly 1064 pages long.

• Key scene detail: The main characters finally sleep together on page 1028 (yep, she was oddly specific about that).

And here’s the cherry on top—there’s this hilarious scene she described:
The couple kept getting interrupted whenever they tried to sleep together—things like no condoms or bad timing. Finally, the female protagonist just snaps. She storms into his house without knocking, bursts into his room, and says, “I came here for some passionate pre-Christmas sex.”
The guy looks up from his laptop, and before he can respond, his mom yells from the bathroom door, “I hope that’s not meant for me!” 😂
The girl immediately says, “Oh, that’s just how we greet each other—it’s a joke!” 😂😂😂

Does this ring a bell for anyone? I know this is a long shot, but I’d really appreciate any leads! Thanks in advance 🙏