One tiny little droplet of water is rather harmless in itself. A little bit of H and a dash of O. You would think that it would be unable to make much of a difference to anything or anyone.
You would be wrong.
That little droplet of water, if it found itself clinging helplessly to the tip of a sleepy humans nose, could change the course of destiny. Any intake of breath would cause the droplet of water to slip slowly inside the nose, where it would gently caress, and stimulate every nerve ending it came in contact with.
If said sleepy human was mostly unconscious and standing rather precariously in a slippery shower… the results could only be earth shattering.