Brain Dead

Haha... having brain dead now ... just come to hall after a long lecture day... brain wanna spoil already cannot take in any more stuff... saturated ..haha...
Erm... think i'm losing more and more instead of catching up which is not a good sign... hai... the topics just get more and more abstract each days... can't they have pity on my small brain... not enough time to study.... sian... !!!!