A group of couples went on a fishing trip.

By midweek the ladies had noticed that Mildred was getting the most fish.

So the girls ask her how she did it.

she replied, "When I wake up in the morning I look at my husband's 'Peter'. And if it is lying to the left I fish on the left side of the boat. If it hangs to the right I fish on the right side of the boat."

One girl asks," But what if it is standing straight up? Then what do you do?"

Mildred replies," Then we DON'T GO FISHING."