This is how our story ends
"Better Stranger" is about the strange peace that comes after a relationship has fully died. Not the active grief, but the quiet acceptance of passing someone on the street and nodding politely like you don't know every secret they've ever told.
The saddest part, Colby suggests, isn't the breaking of a heart. It's the moment when you realize you're looking at them with stranger's eyes. When you see them laugh with someone new and feel... nothing.