YOU SAID:

Shes under a lot of stress because of work and stuff but I dont understand why she takes it out on me.

INTO JAPANESE

私は彼女が私にそれを取る理由を理解していない。

BACK INTO ENGLISH

I do not understand why she takes it to me.

INTO JAPANESE

私はなぜ彼女が私にそれを取るか分かりません。

BACK INTO ENGLISH

I do not know why she takes it to me.

INTO JAPANESE

私はなぜ彼女が私にそれを取るか分からない。

BACK INTO ENGLISH

I do not know why she takes it to me.