In the story, there is a strong desire to connect physically with someone special, to feel their heartbeat as proof of their presence and reality. The narrator yearns for the simple yet meaningful act of pressing their hand against the person's chest to experience their heartbeat firsthand.
However, despite these intense emotions and the longing for closeness, there remains a barrier preventing physical contact. This creates a sense of longing and frustration, emphasizing the emotional distance despite the deep feelings involved.