It's good that William can swim, because Ellie sure as fuck can't. It's almost gotten her killed several times, and now is no different. She's managed to avoid the current, but only from an old reminder of home. A floating skiff, barely able to stay afloat in the current, for all Ellie's plastered herself down to it, holding on with white-knuckled terror.

She sees someone's head bobbing in the water, and it's fucking sad her first thought is decapitated. But it blinks and coughs and Ellie yells, "watch the fuck out, man!"