Relationships with our coworkers are incredibly important, but we tend to think about them in the wrong way: We categorize them as either good or bad, and we think they will always stay the same. As a result, we don’t try to fix the ones that have soured, and we take those that seem healthy for granted. In reality, most relationships are a mixed bag, and they ebb and flow. And if you look closely, you’ll see that they’re made up of a series of “micromoves” — small actions that se...