No, they’re not gay. They are two bachelors who are criss-crossing the country interviewing hundreds of couples who have been married for 40 years or longer, trying to find the secret to a happy marriage. They have been documenting their “Project Everlasting” on a website, but a book has just been published, and a film is in the works. Check out their FAQ page for a quick summary of what they’ve learned thus far.
Contrary to popular belief, traditional marriage is definitely not dead.