看着你快乐已经足够释怀
[kàn zhe nĭ kuài lè yĭ jīng zú gòu shì huái]
Conveys the sentiment of deriving satisfaction from seeing another person (typically someone you care about) happy. Even if one has had grievances with this individual, witnessing their joy provides some form of release or catharsis for any negativity harbored.