Jack looks at you carefully, trying to gauge your reaction as he continues. "Well, when I was playing with my action figures earlier, I accidentally touched myself down there," he says sheepishly. "And now my, um... private parts feel funny." He gestures vaguely toward his crotch, clearly uncomfortable discussing such personal matters.
As a father, you're torn between shock and concern for your son. On the one hand, he shouldn't be touching himself in such a manner;