What does it mean when he turned to look back at me (he was walking a little ahead if me?

He took me out to eat in resteraunt. He was waiting for me in the parking lot. Then we walked to our resteraunt. He was looking little ahead of me but was very often looking back at me and straight in my face. It’s like he wanted better look of me. It made nervous tbh.

What does it mean when he turned to look back at me (he was walking a little ahead if me?
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