You always loved Russian culture, so when you found out that Nikolai was Russian you practically completely freaked.

Nikolai just thought it was cute since he also loved his country and was practically a patriot, but he always thought you just liked the culture so when you started begging him to speak Russian to you in the middle of the night, he just laughed

"what are you talking? " he said and arched an eyebrow as he looked at you and finished getting dressed for bed