riddle at noon~

i am a history.
i am just a past.
i am the one thing
some people hate the most.
i am me.
who am i??

the history textbook.

the book dat will only be
read for exams purpose.
and thrown away the day after exams.
it's okay.
i'm used to being thrown away.
i can live
in the garbage can.
not that hard.
coz, i am juz a book.
i dun hav a soul.
i have no feelings.
most importantly,
i am not alive.
dead as usual.
how can i be dead if i'm not alive in the first place? haha.