Where is that heart left now that could love someone; it is only sheer helplessness that compels me to keep accompanying you.

This couplet captures the quiet tragedy of emotional exhaustion, where one has simply run out of the capacity to feel. The poet doesn't blame the beloved, but mourns the loss of their own tender heart that life's harsh realities have worn away. Staying in the relationship is no longer an act of passionate love, but a mechanical movement driven entirely by helplessness and compromise.