If you are enegertic, as the saying goes, your client will also become repective. Nothing could be further from the truth. He mirrors every nuance of the client's posture. If he or she leans forward, Frank follows. This really makes a lot of sense.
People tend to mirror others they trust.
They avoid those they distrust. Next time you're at a restaurant, try to spot a loving couple. They will invariably mirror each other's gestures. They'll likely space themselves one to two feet from each other and engage in a kind of courtship dance. If one smiles, the other will follow.