Blank & Blur

Yes tat's exactly what i am feeling now... blank and blur... finished 3 days training but the feeling of after training is blank and blur... in other words i am feeling more blank than before training for the moment... haha... would it be

that i am

HUNGRY?????

oh... all i have in my brains is just food~!!!! i am so hungry... i wonder why... i had my breakfast ... lunch and small drinks as well but i am still hungry??? maybe i use my brains this few days which causes me to burn up my energy...