text: Ouch.  Somebody's going to get hurt, especially if you are giving both or either of them the feeling that you're being exclusive with them.  I think there's no real way to avoid letting them both know because word does get around, and unless one of them is living in a cave, there's no way they won't both know.\n\nIf you are lucky, and one of these relationships is a strong one, it might survive this.  It's up to you and her to figure that part out.