猫不再吃鱼因为她爱上了鱼鱼不再怕猫因为他爱上了猫
[māo bù zài chī yú yīn wéi tā ài shàng le yú yú bù zài pà māo yīn wéi tā ài shàng le māo]
Describing a situation where both cat and fish change usual behavior due to falling in love with each other. Cat gives up food for love and fish ignores instinctive fear of danger.