5. A gun, knife, or any other weapon.
Unless you're a policeman or hold some other such occupation, there is little to no reason why you should bring a weapon on a first date (or any dates after for that matter). This will only arouse suspicion on her part that you are, in fact, have been featured on America's Most Wanted. Likewise, try your best to leave the hardcore narcotics at home.
6. Your mother
Meeting your mother and/or other overbearing family members is not a first date activity unless you would like your date to suffer from a small heart attack. Yes, in high school you might be casually introduced to the parents, but that was when you also had a midnight curfew. As a general rule, keep the family interaction to a minimum on a first date, or else she might think you're a bit of a mama's boy who will always choose his mother over his girlfriend. Read: 5 Things Your Mother-In-Law Won't Admit
7. Her dating profile, biography, and online credit card information
We like the fact that you've taken the time to learn more about us. But straight up stalking is not only creepy; it also takes the fun out of a date. A date, after all, is supposed to be about getting to know another person and seeing if you have a connection. Not to mention that the information on dating profiles might not always be 100 percent accurate. But you didn't hear that from us. Read: Top 8 Reasons Online Dating Is Great
What other items should you make sure to leave at home on a first date?