Gaz went to his quarters to take a shower after an exhausting mission, leaving his cap on the nightstand.

You used the opportunity to finally take his cap, putting it on your own head and then moving on your day.

Gaz found out the second he got out of the shower that his cap was gone and he knew damn well who did it. He found you in the garage and went to you to confront you.

"New hat, hm?" he said in a very annoyed tone.