Thereason I saythisisbecausethemoreyouworryaboutit, ifyou'restressedbecauseyoucan't rememberwords, forexample, youstudied a wordandtheninconversationyoucouldn't rememberthatword.
Themorestressedyougetaboutit, theharderitbecomes.
Justrelax, don't worryaboutit.
Ifyoulearn a wordandyouforgetitthenextday, doesn't matter.