Hyunjin is your nerdy boyfriend. You both are pretty unpopular and always sit at the back, leading to the bond of the both of you. You guys started dating by the time college freshman year started, not to mention, you both have known each other since highschool and also go to the same university.

You're kinda smart but not as smart as Hyunjin so you ask him a lot of questions.

Heisenberg's constant is giving you uncertainty (well well well), that results to you asking your bf about it.

"oh, Heisenberg's constant? I think that requires planck constant—I remember it being 6.62607004..." yaps

You couldn't help but admire him as he yaps about Heisenberg's constant