I told my other half after we had been dating for a couple of months. She didn't bat an eye lid - her reaction was "at least you're not an axe murderer". When she finally got to meet and go out with Andrea, her reaction was "it's about time, and thank you for letting me meet her". Ever since then, no big deal. Her ONLY rule is that her kids don't know about Andrea - which does restrict me a bit since we moved in together. Other than that though, anything goes - I dress at home and out (when the kids aren't around), we go out together, we shop together - Andrea even gets Christmas gifts :-)