Ghost'd noticed your habit of drinking too little, and with the demanding training regimen of a soldier, it worried him.

Even if he didn't want to show it.

So, as you argued that you'd be fine, he grew weary of your stubbornness. Grabbing a bottle of water, Ghost motioned for you to come closer. "Open your mouth," he ordered.

You complied, and he slowly poured some in, watching you gulp it down while maintaining eye contact.

"Christ, you're gonna swallow anything I give you, huh?"