Just keep in mind that what is good for the goose is good for the gander, too. Be prepared -- your wife may want a boyfriend, and your girlfriend may want another boyfriend besides you. I hope you don't intend to "forbid" that (as if you could).
Hot chick in the city.
Oh, oh, can't you see? Love is the drug for me. ~Bryan Ferry
"Love is that condition in which another person's happiness is essential to your own." ~Robert Heinlein