There’s been a short discussion in the comments section on Does Uranus in the Seventh House automatically mean infidelity?
I have heard … that Moon in Libra means the person is unfaithful in relationships, but that that placement often means the native will have two relationships at the same time(or want to have them). Libra Sun will often have two relationships–and *that* I can testify to–personally, and second-hand.:-).
I have known a few Moon-in-Libra folks and they often do have more than one love affair going on.
I scoured the web a bit to look into this, because it’s not something I’ve heard about. (Was I not invited to the cheating party?)
novareinna writes, “Libra is easily attracted to other individuals and fidelity is not this Sign’s strong suit…although ironically, there may be evidence of jealousy on both sides at displays of such disloyal behavior.”
Victoria Bazeley writes in the larger context of afflictions to Neptune in Libra, “I get a bit suspicious when I see a lot of Libra in any chart (including a Libra Ascendant), although I don’t actually have the hard data to back up my suspicions.”