As anyone living in the age of depressing divorce rates knows, a happy long-term couple is almost like a unicorn: If by some miracle you encounter it, you can’t stop staring, and you have a feeling no one will ever believe you when you tell them you saw it. The Internet is filled with articles on how to decide when to end it, how to recognize when you…

As anyone living in the age of depressing divorce rates knows, a happy long-term couple is almost like a unicorn: If by some miracle you encounter it, you can’t stop staring, and you have a feeling no one will ever believe you when you tell them you saw it. The Internet is filled with articles on how to decide when to end it, how to recognize when you…