Why does Master Chief show his face so much?

Why does Master Chief show his face so much? Although the games have always largely kept his helmet on, he is a fleshed out character with a voice and personality, meaning he’s not a faceless silent protagonist. 343 goes on to say that he removes his helmet to prove to the child that he’s not just a killing machine, he’s human and vulnerable.

Although the games have always largely kept his helmet on, he is a fleshed out character with a voice and personality, meaning he’s not a faceless silent protagonist. 343 goes on to say that he removes his helmet to prove to the child that he’s not just a killing machine, he’s human and vulnerable.