感情咸了还要放盐么感情淡了不会放盐么
[găn qíng xián le hái yào fàng yán me găn qíng dàn le bù huì fàng yán me]
The phrase humorously equates the seasoning of relationships (making it saltier when too bland, not adding more salt when already too much), talking figuratively on how to nurture relationships properly.