For those of you planning a romantic restaurant evening tomorrow, remember that water conservation is sexy too: guard your water glass from that overly-thoughtful waiter or waitress who keeps trying to refill your cup. Do you really need more water? Notice how much water is left on the vacant tables that will just have to be tossed. You might get some confused looks, but try to limit the water being poured to water you're actually going to drink.
If you're on a bad date, you can always make a game out of tallying how many times you have to turn the server away.
Happy Valentine's Day!