It’s all about what you’re willing to forgive, he tells me. You have to choose what to ignore every now and then, he tells me. Sure, there are things that begin to grate on you, he says. But there is beauty in even that—being so intimately familiar with the nuances of a single person that you are comfortable even with their encyclopedia of small annoyances, even as those annoyances snap at your heels for years, and then a lifetime.