Lynn's Comments: Elementary school relationships were intense and serious. A "best friend" was validation that you had worth. Best friends gave you confidence, security and status. There was serious competition here and if a third person came onto the scene- the change in chemistry could be explosive.
The old adage "three's a crowd" is never more true than in early grade school. I remember adding a new friend simply because I was offered the opportunity to use a bike or share some candy. I bought into others' friendships, too when I had stuff to share. Allegiances morphed, changed and regrouped according to the mood of the day, but the "best friend" was always at the centre of the relationship.