Hui talks about "Ah Chuang," a male dolphin he trains. Ah Chuang has great learning capacity, but is stubborn and egotistical, and often loses patience after having to do the same action two or three times in a row.
許永昌說，「阿壯」是他訓練過學習能力很強的雄海豚，但脾氣卻相當倔強而自我，經常一個動作重複兩、三次就失去耐性。