Place it at the turning point of a romantic edit, just before the other person answers, then follow it with a short Yeah reaction once the proof finally arrives to close the scene.
About this sound
This is a short sung excerpt of about six seconds in which Luis Miguel sings the line Dame alguna prueba de amor. It feels pleading and dramatic, like a lover asking for proof in the middle of a tense moment. The clip comes from Luis Miguel's song Dame.