Happily married? It's an overused, not very meaningful descriptor if you ask me. Happy goes with the territory of living the life one continues to want to live, daily. If that's married, and one's mate feels the same, I'd say that's about as good as it gets.
In fourth grade, that same little boy who once adorably suggested married and happy were anathema was asked to write a list titled, "My Future Life." During one of my recent decluttering binges, I found it. Across the top, it said: What I hope when I'm an adult, with a bulleted list: