Ah, great, so all I have to do is call you friend, then.

[ If for some reason this guy does manage to drag Shino off to some dirt bath, which he highly doubts will ever happen. Why would it?

He rolls his eyes at this logic, but given that his chin's tucked in as he works the shampoo through his hair, his expression is understandably lost. ]

I swim in lakes to swim or cool down, not to bathe.

[ Letting the shampoo sit, he dips his cup in and starts pouring water over his chest, arms, and back, finding the soap and lathering up in the process. He indicates with one hand at the whole, "where is your water going," pointing to the rock shapes where he's crouched. ]

This ridge keeps the water directed away, flowing back toward the dirt and bushes to that side. The water has to filter back into the ground before it would mix; the whole thing where well water and river water only meet if you put the effort into it.

[ Or if he just jumps in covered in his "well" water.

He picks up the bucket and spills half of what remains over his head, rinsing out the shampoo and the soap, nose wrinkled and eyes squeezed shut. ]