a proof

while doing my chemistry homework..

"yay I'm almost done with my homework!"

5 minutes later

"DONE!"

3.7 seconds later

"Ei wait, i think the teacher wants us to finish everything oh."

"but I thought she has not finish teaching phenols?"

"WAIT SHE ALREADY DID YESTERDAY!"

"X_X"

....

how blur does a person has to get 

to actually forgot what happened yesterday