Why I married a sex addict

I've seen a lot of post's online where women said "if I had known he was a sex addict before, I never would have married him". In some ways I can understand this. They said vows and they expected their partner to honor them. In my situation I guess I was lucky that I knew about the addiction before we had crossed that bridge... and because of it we had PLENTY of therapy, I knew exactly what I was getting into. Maybe the difference is that I had a choice.