How could I forget that?

It is 3:09Am now.. I still not feeling sleepy..

I miss u..

There is something on my mind which is waking me up late night..
You asked me a question which I am still thinking about it now..

"Where were we when it was my birthday? What were we doing that day?"

erm.. shit.. How could I forget that?? I really couldnt remember.. I am so sorry..
I know what color u like.. I know what u like to eat.. I know what season u like the most.. I know what u enjoy doing.. I know where u wana go the most.. I know everything about u..

But.. I jz forgot wat actually happened on my birthday.......
Where were we??? What were we doing???
I am so sorry.. I dint remember that..
Can u please sweetly remind me? please~