And you are not moving at all.

[Feet paddle and flick water, scattering it across his nearby friend, drenching him in disdain while splitting the ocean in their wake. Hands rise and fall behind his head, creating motion as he pushes blind through the water - a challenge created with words and how he begins picking up pace.]

Though I dread to imagine you swimming at all. Might well sink to the bottom, I dare say!