YOU SAID:

i really dont know why am doing this dont ask me

INTO JAPANESE

なぜこれをしているのか本当にわからない

BACK INTO ENGLISH

i really don't know why i'm doing this

INTO JAPANESE

なぜ私がこれをしているのか本当にわかりません

BACK INTO ENGLISH

I really don't understand why I am doing this

INTO JAPANESE

なぜ私がこれをしているのか本当に理解できません

BACK INTO ENGLISH

I really don't understand why I am doing this