Most of the happy birthdays I received is from 6A, and then 6E, some of the 6C too 

Thanks a lot....Really thank you

However, only Yin and Ivan remember my birthday, Sam, Michael and Tim probably won't remember if I didn't mention, don't even talk about the rest of the 6D's

I cannot say that I remember everybody's birthday, but I remember at least 80% of my friends....

However I know you can never ask anyone else to do the same thing as you did, or else your existence worths nothing

Great 

Happy birthday to myself

For one moment I hope she can say happy birthday to me face-to-face, what turns out is that I was 一厢情願