YOU SAID:
hello i love my girlfriend a lot
INTO JAPANESE
こんにちは私は私のガールフレンドが大好きです
BACK INTO ENGLISH
Hello, I love my girlfriend
INTO JAPANESE
こんにちは、私は私のガール フレンドが大好き
BACK INTO ENGLISH
Hello, I love my girlfriend
That didn't even make that much sense in English.