If this sounds like being overly cautious, it's not.
One study of date rape revealed that 75 percent of men and 55 percent of women had used drugs or alcohol before the assault.
It's a good idea to always have enough money with you that you can call a cab and go home by yourself.
If your date appears to be getting belligerent, ask your waiter or a staff member if there is someplace you can wait until your cab arrives.
When hormones speak louder than reason, it's time to be on guard.
In a worst-case scenario, you may be under the spell of a charming sociopath, or you might jump into a physical relationship you'll regret later.
He might pressure you to drink with him, and even order a drink for you when you've said no. Order a soft drink for yourself or sip a glass of water.
And consider this -- a person whose drinking is way out of control may also have a problem controlling anger or jealousy, too.
If you're meeting someone for the first time, or you're chatting with someone you met in a bar, never go to the restroom and leave your drink unattended.
That is often the way date-rape drugs are delivered.
Too chummy too soon It's one thing to feel chemistry with someone when you first meet, but be careful -- con artists and sociopaths are skilled at seduction.