People are connected to each another and the world around them. Each one of their actions, words, gazes reflects and changes the others. This influence can make the subjects closer.
	The strong influence of the parents changes their children, and vice versa, and they often get similar - willing it or not.
	A good or a bad example of an important or influential person leaves a trace in our thoughts.
	The mood of the person next to you which can sometimes awake or erase your smile.