In his book Dr. Jack Schafer
The physical distance between you and another person. Simply being in someone's presence consistently—even without speaking—lays the groundwork for a connection. The Like Switch
Your brain acts like a "territory scanner," constantly evaluating people as friends, foes, or neutral. To influence others, you must consciously send "Friend Signals" while avoiding "Foe Signals". In his book Dr
How well you satisfy another person’s psychological or physical needs through verbal and nonverbal behaviors. 2. The "Friend-Foe" Continuum " constantly evaluating people as friends