欠下一屁股债去私奔欠下一辈子去相爱
[qiàn xià yī pì gŭ zhài qù sī bēn qiàn xià yī bèi zi qù xiāng ài]
Racking up a pile of debt to elope or dedicating an entire life to love someone. Expresses a dramatic, romanticized view towards intense commitment, implying willingness to face consequences together for pursuing one's true feelings.