Shang Beize experiences vivid hallucinations about Su Yundai, first seeing her at his bedside asking him to stop liking her, and then seeing her on his balcony. These hallucinations trigger his stress-induced myocarditis, causing sharp stabbing pain with every heartbeat. He nearly loses the will to take his medicine. The hallucinations represent his psychological turmoil and desperate longing for Su Yundai's affection, blurring the line between reality and imagination.
