The speaker begins with a bleak idea: even in love, two people stay locked inside their own minds. Even a kiss leaves a small gap between faces, and words get twisted on the way across, so we can never fully know the person we love. The poem admits this plainly, saying we will "always be / ultimately / alone."
Then it turns on the word "But." The speaker lists the hard parts of the relationship, including sleepless nights, petty fights and tired, bloodshot eyes, and even calls it "fucking ugly sometimes." Yet none of that cancels what comes next: a quiet morning with nowhere to be, lying beside the partner and listening to their shared breathing.
The mood moves from anxious and lonely to warm and calm. The ending suggests that closeness doesn't need perfect understanding. Simply being present together, breathing in rhythm, is enough.