And got too close. Nipped a layer of skin right on his scrotum.
I can confirm, that expression that a man makes when there's been an assault on his jewels....well, dogs make it too.
Really high pitched yelp, followed by the intense "but I trusted you" look of disbelief with the tail between the legs, and ears peeled backwards like he's just been beaten.
I still feel awful.
Didn't draw blood, but left a little red mark.