为何你那么喜新厌旧
[wéi hé nĭ nèi me xĭ xīn yàn jiù]
'Why Do You Prefer New Things Over Old Ones So Much?' questions someone who frequently shifts preferences, showing dissatisfaction or disappointment towards people who are quick to abandon the old for new opportunities. It may relate to relationships, habits, or general outlook on valuing novelty over loyalty or depth.