1.Go and talk to your best friend(the one you lost).
2.If you are too embarrassed face to face talking with your best friend,go send him/her an email,write a letter,or call him/her.
3.If the options above don't work,just let him/her go.This is a bigger world than you think it is!There are many people who can be your friend.
Once someone leaves you,someone else comes out from the shadow… …