YOU SAID:

yesterday i brainfarted and forgot my name

INTO JAPANESE

昨日私は頭を悩まし、私の名前を忘れてしまった

BACK INTO ENGLISH

Yesterday I bothered my head and forgot my name

INTO JAPANESE

昨日私は頭を悩まして、私の名前を忘れた

BACK INTO ENGLISH

Yesterday I bothered my head and forgot my name