YOU SAID:

I love my girlfriend because she's very kind and nice and funny and she's very cute and hot

INTO JAPANESE

彼女はとても親切で素敵で面白いし、とてもキュートでホットなので、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 is very kind, nice, funny, very cute and hot

INTO JAPANESE

彼女はとても親切で、素敵で、面白くて、とてもキュートで、ホットなので、彼女が大好きです

BACK INTO ENGLISH

I love her because she is so kind, nice, funny, so cute and hot

INTO JAPANESE

彼女はとても親切で、素敵で、面白くて、とてもキュートで、ホットなので、私は彼女を愛しています

BACK INTO ENGLISH

I love her because she is so kind, nice, funny, so cute and hot