Bas: Ken... could you listen to me for a bit?
Ken: what? why are you holding my hand again, dude?
Bas: ummm... I... uhhh... I LO-
*fireworks sounds*
Ken: ... Oh man.
Bas: that's such a beautiful fireworks...
Ken: *pat* yeah. me too..

I mean... Both already knows how they were thinking about since they're together since they were like 5 and it's been 17 years now.