Place it right after the reveal in the edit, then follow it with a Bruh reaction when the idea turns out to be a joke, or let It Was At This Moment He Knew set up the payoff that follows.
O tym dźwięku
This is a brief spoken Italian phrase, 'Mi interessa,' lasting just over a second and delivered as a single direct line. It carries a light, curious feeling, as if the speaker has just noticed something worth hearing more about and wants to stay in the conversation.