我不理你是因为我伤心了
[wŏ bù lĭ nĭ shì yīn wéi wŏ shāng xīn le]
'我不理你是因为我伤心了' reveals that ignoring someone is due to feeling hurt emotionally. This can be used as an expression reflecting inner sadness or distress over a personal issue or interaction with others.