With apologies to Shelley: if spring comes, can wedding season be far behind? We all know the clichés around marriage—eternal bliss, soul mates, happily ever after—but these leave out the real stuff, the day-to-day experience of being and staying married. There will be fights, there will be angst, there may even be affairs. Sometimes you’ll look at your dearly beloved and feel nothing but rage. Two writers offer their insights into what keeps a marriage running. Inspired by her wildly…