Sublime

relationships were structured into a series of inclusive circles, or layers,* with each layer three times the size of the layer immediately inside it.

this layer is mainly populated by members of your extended family

People typically declared that they had around thirteen ‘real’ friends no matter how many Facebook friends they had

Ideally, we want some simple rubric for deciding whether it is worth investing further time and effort in getting to know them better.

dyadic relationships (with a chief focus on romantic partners) and social networks (how well embedded you are in your social community).

Selon Robin Dunbar, professeur d’anthropologie évolutive à l’université d’Oxford, la taille de notre cerveau ne nous permet pas de gérer un entourage amical de plus d’environ cent cinquante personnes, quelle que soit notre sociabilité.

reflects how bonded you feel to another person or group.

They just happen to be accessible (and presumably willing to give us some of their time), or they are people whose value to us in other contexts besides the purely social makes it worth our while investing in them.

brain predict the size of your personal friendship circle?