The number of times you have contact with the person over a specific period.
The cornerstone of the book is the , which breaks down the natural development of relationships into four measurable components: The Like Switch
The length of time spent together during each encounter. The number of times you have contact with
In his book Dr. Jack Schafer
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". " constantly evaluating people as friends
The physical distance between you and another person. Simply being in someone's presence consistently—even without speaking—lays the groundwork for a connection.