She's still alive, thank God.
The young man smiled and closed his eyes, slowly sinking to the river bottom.
The young lady reached around his waist and began swimming towards the surface with him.
However, it was incredibly difficult. Looking back, she saw that his right foot was tangled in water weeds.
The weeds were like a demon's hand reaching up from the river bed, dragging the young man into a bottomless abyss.
She swam back to free his foot from the water weeds, but it was like they were deliberately opposing her - she couldn't get them off.
The young man weakly opened his eyes, gave her a slight push, shook his head and smiled.
You go on, don't worry about me, his gaze seemed to say.
The young lady shook her head, swam back to his side and attempted again to tug at the weeds around his foot, but the pressure underwater was too much for her strength to overcome.