How many long-term relationships or marriages are truly loving and stable?

Updates
9 mo
I've seen too many people either get with someone for the wrong reasons. I'm happy to have a loving, stable marriage with a gentle husband. My own parents' marriage suck so badly and it even had physical altercations. It was a terrible experience having to hear and watch that as a kid.
How many long-term relationships or marriages are truly loving and stable?
Post Opinion