"We don't. Back at my home, anyway." Not like their instincts are incorrect. In any other context, sure. In this case, enough people have been sampling from the pool with enough regularity for him to be assured as to how safe it might be.

Their reaction is immediate and disproportionate. Tim shrugs, a tad awkwardly with his hands still half-buried in the dirt, and tries for a vague, partial lift of a smile.

"Hey, it's fine. You ever done this before?"