Is it appropriate to form opposite sex friendships while in a committed relationship?

Is it appropriate to form opposite sex friendships after you are married or have been in a serious relationship? What about maintaining opposite sex friendships?|||I think that's only a problem if you're boyfriend/girlfriend is insecure and jealous. In reality it really shouldn't be a problem, as long as it's a friendship and nothing more than that.|||As long as it's platonic, sure|||No