不是非你不爱不是非你不爱
[bù shì fēi nĭ bù ài bù shì fēi nĭ bù ài]
The repetition emphasizes an undecided or indecisive feeling of love, saying both 'it's not necessarily you that I don't love' and repeating for emphasis, hinting at complicated feelings or unresolved emotions about someone.