- When you pick up your date, unlock their car door first and let them get in. If they lean over to unlock your door, they're a keeper.
- Take an airplane trip with them. Two hours at the airport, and you'll run through most of life's problems - communication, money, organization, bureaucracy, deadlines, crowds and fatigue. If you can fly somewhere without killing each other, you're definitely compatible.
Here are a couple of unusual ways to test your relationship from the Scripps Howard news service. Do these, and you'll know if you're wasting your time dating the wrong person.