YOU SAID:
I love my girlfriend because she has an outstanding pair of personalities
INTO JAPANESE
彼女は優れた性格を持っているので、私は私のガールフレンドが大好きです
BACK INTO ENGLISH
I love my girlfriend because she has a good personality
INTO JAPANESE
彼女は性格が良いので私は私のガールフレンドが大好きです
BACK INTO ENGLISH
I love my girlfriend because she has a good personality
That didn't even make that much sense in English.