In New York’s mayoral primary, Andrew Cuomo was no match for the energy of progressive rivals who saw a virtue in unity.

"Do we move forward with the same politicians of the past, the same policies of the past that delivered us this present, or do we move forward with a new generation of leadership?"

Love is a many-splendored thing, especially when you’re gawking at it from the outside. In this new column, we’ll be examining the celebrity couples—or, occasionally, friend pairs —who give us hope for our own romantic futures as we try to learn what we can from their well-documented bonds.