He's warned them about horseplay before. We'll see how much they learned.
Electricity has gotten expensive, heat your outdoor pool the old way. This is how it's done in Germany!
You may develop a sudden urge to pee after you get in.
Go get a sno-cone or something! At the very least plug your computer in outside and play Civilization V on your back porch...
Actually, don't dive, it's way too shallow.
Awww, all that effort and she didn't even take a swim!
Never use power tools near water. Any other rules of construction this guy is violating?
Now grab 6 friends to hold it steady while I wash my feet.