最贱不过感情最冷不过人心
[zuì jiàn bù guò găn qíng zuì lĕng bù guò rén xīn]
The netizen is extremely heartbroken due to betrayal by loved ones. They feel that being betrayed and cheated on emotionally can make one feel as worthless as dirt, while cold hearts are even colder than ice which means emotional betrayals and human indifference can be deeply hurtful. "cheap" and "cold" emphasize the depth of these feelings