Merci Makhlouka ... Saha Ramdanek ... Il y a plusieurs couches (layers) d'amities apparemment ... il y a le Dunbar's number pour le nombre d'amis par couche :
Layer 0, Nucleus / Very close friends - those who you could turn to in a crisis, ask for money, lean on for support: on average 3 to 5 people. It is most likely you keep in touch with them once a week.
Layer 1, Close friends: 12-15 people (social psychologists name this the "sympathy group" [3] - which incidentally is also the number of Apostles, members on a jury etc.). You are likely to contact them once a month.
Layer 2, Distant friends: 45 to 50 people
Layer 3, Maximum number of friends/acquaintances: 150 people (Dunbar's number)
...
Layer 0, Nucleus / Very close friends - those who you could turn to in a crisis, ask for money, lean on for support: on average 3 to 5 people. It is most likely you keep in touch with them once a week.
Layer 1, Close friends: 12-15 people (social psychologists name this the "sympathy group" [3] - which incidentally is also the number of Apostles, members on a jury etc.). You are likely to contact them once a month.
Layer 2, Distant friends: 45 to 50 people
Layer 3, Maximum number of friends/acquaintances: 150 people (Dunbar's number)
...
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