If we are not in the middle, what is the enjoyment? / Have mercy, for disloyalty has happened.

This couplet speaks to a complex emotional state after a betrayal. The first line, "What's the fun if I'm not in the middle of it?", isn't about enjoying the pain. Instead, it expresses a yearning to remain significant to the beloved, even if that significance comes from being the one who was wronged or central to their emotional turmoil. It suggests that without their presence, the situation loses its intense emotional pull for the speaker. The second line, "Have mercy, the infidelity has already happened," is a poignant plea. It implies that the betrayal is a settled fact, and there's no need to prolong the agony, perhaps by pretending or continuing to hide. The speaker might be asking for an end to the charade or for the beloved to acknowledge the pain they've inflicted, as the deed is already done. It's a deep dive into the raw aftermath of a broken trust, where the victim still desires a central, albeit painful, role.