我会答应你陪你到最后我希望是你陪我到最后
[wŏ huì dá yīng nĭ péi nĭ dào zuì hòu wŏ xī wàng shì nĭ péi wŏ dào zuì hòu]
Reflects mutual commitment, where both partners promise each other companionship till the end, but there's an unspoken preference or hope to be the one who stays till the end, adding depth to promises made in romantic relations.