"Water," Gibbs repeats as he walks out of the door.
It should only take about a minute to get the drinks.
A minute passes, and Gibbs is not back yet.
Another minute passes--still no Gibbs.
The light above you flickers momentarily. You are still alone.
You can't tell how much time has passed at this point, but Gibbs still has not returned.
The light flickers again.