YOU SAID:

when he looks at me, and I look at him, and he looks at me, and I look at him

INTO JAPANESE

彼が私を見て私が彼を見て彼が私を見て私が彼を見て

BACK INTO ENGLISH

He looks at me, I look at him, he looks at me, I look at him.

INTO JAPANESE

彼は私を見て彼を見て私を見て彼を見ています

BACK INTO ENGLISH

He looks at me, he looks at him, he looks at me, he looks at him.

INTO JAPANESE

彼は私を見て彼を見て私を見て彼を見ています

BACK INTO ENGLISH

He looks at me, he looks at him, he looks at me, he looks at him.