Physics calls resonance amplification of the same frequency.
Song Bai's heartbeat resonated loudly with Lu Jingnan's back.
Until Fang Wen's tide made the frequencies match.
Using a metronome as a tuning fork, he adjusted her off-key ballads to the harmonies of waves in a shallow bay.
When compensatory psychology collides with secure attachment, it is never an either/or proposition.
Intention: Two-way rush for frequency calibration