Dog joke about licking his junk

Today’s Joke is about a Dog.

Two old retired men are sitting on the bench watching the time go by. There is an old hound dog lying on the ground in front of them. The old dog lifts it’s hind leg and begins to lick his privates as dogs always seem to do.

One of the old men says to the other, “Boy, I sure wish I could do that.”

After a short pause, the other old man says, “Well, go ahead, he looks like a friendly dog!”