你一定要幸福才对得起我
[nĭ yī dìng yào xìng fú cái duì dé qĭ wŏ]
'You have to be happy for my sake'. It expresses a selfless wish, implying a desire for the well-being and contentment of another person, especially those close to the user, often suggesting an emotional investment and care about the happiness of this other individual above their own.