When we sat down to eat I took inventory of the people in the room, and the remnants of my good mood evaporated when I realized how very little I had in common with them – the career dads, the responsible and diligent moms – and I was soon filled with dread and loneliness. I locked in on the smug feeling of superiority that married couples give off and that permeated the air – the shared assumptions, the sweet and contented apathy, it all lingered everywhere – despite the absence in the room of anyone single at which to aim this.