Your wife could have a workplace husband. And vice versa. Though such affairs between already married couples are platonic, the office spouse could know a colleague better than the actual one. They know how many spoons of sugar their tea needs and when they’re going through a rough patch. They know which trousers will match which shirt for Friday’s dinner with
Much like a romantic partner, a workplace spouse beyond being a colleague knows when there are issues at home: that perennial parent draining the bank with a chronic illness, the impossible child and how a former lover could have made for a better partner.