<span>According to sociologist Talcott parsons, the preferred or most functional human condition is "being healthy".
</span><span>Talcott Parsons considered society to be working like a human body, contending that establishments in the public eye resembled organs in the body – each performing particular capacities which were important to the upkeep of the entirety. Parsons contended that parts of society ought to be comprehended as far as what they add to the upkeep of the entirety.
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The correct answer is preening behavior.
Preening behavior or simply preening is described as a body language or series of unconscious/uncontrollable gestures between two persons, who are interacting, which signals attraction to each other.