Feel so bad n so down T_T

This happened in this evening,
i having an exam this evening,
n i did something really really sorry to my teacher,
cause i din prepare for her exam!!
jus few question i prepared,
but is not enuf,
my group can be consider the group she like the most..
but i make her so disappointed,
n yet,
she let me passed!!
that made me feel even worst!!
OMG!
RUSSIA is actually having such a nice teacher..
appreciate it very much..
i'll try to redo the exam again..
hope she will feel better later on,
n its make me feel better too.