Why Libra is unfaithful?

Libra always ready for human contact, it is one of the most seductive and attractive sign of the Zodiac.
Eager to please and looking the other feels good achieve harmonious relations.
He is very dependent on who surrounds him because he seeks to know himself through the other and this gives him the ability to hook up easily in more than one relationship.
He something emotionally unstable and does not realize when he seduces.
Tip: Treat him tactfully, without demands or aggression.

What is the most unfaithful zodiac sign?