Sad,Confused??i don't knw wat's happening to me...

So time has really pass by really fast..
i havin my exams in 2 weeks time...
so i not sure wat is wrong wit me..
i'm feeling abit moody..
i can't control my feelings..
but most of the time i feel sad..
y is this happening??
izzit bcoz of the girl??
izzit bcoz of stress and tension??
izzit bcoz of jealousy over someone??
or i am just extremly confused??
i don't even knw..
so how...
can anyone help??
T.T
gtg for now..
chaozzzzzzzzzz...

Adwin =(