何苦呢爱你就够了不必了爱你就够了
[hé kŭ ní ài nĭ jiù gòu le bù bì le ài nĭ jiù gòu le]
It expresses a bittersweet sentiment about love: it conveys both the futility ('why the pain') and sufficiency of loving someone wholeheartedly, indicating devotion and a sense of peace in acceptance.