鱼的七秒记忆爱的七年光阴
        
            [yú de qī miăo jì yì ài de qī nián guāng yīn]
        
        
            Fish are often said to have only a 7-second memory. This nickname uses the phrase to juxtapose this briefness with 'seven years of love', signifying deep, lasting affection against the fleeting time.