Definition of a Best Fren?

For those fren whom have heard my complaint last year about my fren wedding.
the story is like this, she was my pri sch fren, my best fren who stay opposite me. we go school together go home together during the few years we were in the same class in pri sch.
We went on to different sec sch. i still try hard to keep in touch thou. She was the brainy in class so she move on to a better sch. we drifted in sec 3 and sec 4. But we were still neighbours, we still catch up on and off thou. not as close as before cos we have our own life, own relationship.
After her A levels, as our class brainy, she went on to a scholarship to UK to pursue her studies.
But before she left, her dad pass away. She was devastated she call me at that instant i run over to her place to offer my condolences and to offer all help i could.
Call our frens to inform them etc. I am reali not asking for any returns.
The day she was to leave came. I promise her i would help her take care of her mum when she not around. Her mum came to my place 5plus in the morning to net meet with her. I send her presents on her bday send her wishes send her letters.
Soon no news from her, she forgot my bday, she forgot to inform me when she came back. No meet up, no dinner. We stay opposite block. I send sms to her but no reply. Till i need send sms to her bf.
One day, she call out of nowhere. she told me she getting married and she wanted me her so call best fren to be her jie mei. I readily and happily say yes. Btw she ask her sec best fren to be jie mei but her so call best fren rejected and didnt even attend her wedding. As for my job dont only stop as jie mei for the day. I need to be her UK fren's tour guide for the day, i need drive my car as her jie mei car and need drive her UK fren all ard like a chauffer.
Again no news from her till a month before her wedding asking me to buy jie mei gown cos she wanted all jie mei to wear the same gown. We paid $140 for the gown, not the money i'm concern cos i promise to be her jie mei but jus upset that why is it that when i'm of help then she think of me. What kind of best fren is that?
My bf told me so long never contact once contact is cos need help. After the wedding, no thank you notes from her, no news totally. I sms her ask her how is she no reply ask her if can see photos no reply. Babe told me the next time she will contact me will be when her child full month liao. I did tot so too you know.
Finally, my gandma met her mum and her mum told my grandma that she jus gave birth to a baby son. During her pregnancy i msg her no reply.
Today, i receive a msg from her asking me if i could attend her son full month on the 27th Oct.
I choose not to believe she would treat me this way but in life, it's never the way you wish it will be.
To a best fren of mine in Pri sch: Congratulations to your new addition to the family and stay happy always.

How many Best Fren do you have?