What am I doing?

I am just a stupid idiot! How come I care a friend so much who didn't care me when I became a mother, did not invite me to her wedding ceremony, and when I am bringing along a pack of baby's clothes which weighted five pounds, plus a pre Christmas gift for her baby, and almost reach her home, she just text my phone that the visit should be cancelled????

Lesson: don't care too much about whom don't really be serious to you.