Help... What Happen to Me?

Haih... Ppl keep asking me to cheer up, stop thinking bout that but I jus cant get it out of my head... Its been 6days since I'm like that... I cant study, eat n sleep properly since last Wednesday... What else can I do to stop thinking bout that??? One thing 4 sure is I'm thinking lesser n lesser each day but it is still in my head!!! Exam is next week & I hav not been studyin lately... Mark, Zam & Lynn had been accompanying me everynite, others such as ah Gong n all had msged me to comfort me & ask me to study... I dunno know n dun understand why am I so sad when I knew bout that... Why am I keep thinking??? I jus dun understand... Can ya'll tell me why??? I guess ya'll aso dunno why as if ya'll know, ya'll wud hav told me earlier d... Haih... Anyway, da rest of this is in da forum's blog d... I hav no mood left to update blogs!!!