我比你更懂得珍惜自己
[wŏ bĭ nĭ gèng dŏng dé zhēn xī zì jĭ]
I know myself more precious than you do. There might have been situations or stories when self-worth or -value has been underestimated or undervalued before. But now the person believes that he or she learns how valuable it is.