He heard his father’s voice echoing in his ear. Hearing the voice, he sat up in his mattress and held his breath. It means the unexpected resonance from the voice made him restless, concurrently, unfortunate. "undressing" - interpreted the two like a reference on the sexual facet of their relationship, https://collinwtplf.xzblogs.com/73413005/5-easy-facts-about-valentine-poem-spanish-described