It's a fact: Guys THINK what they do will drive ladies crazy, in a good way.  BUT, I hate to break it to you boys (and yes you're a boy if you fall in this list...), some things you do are just down right NOT attractive.  When I clicked on this story, I started thinking about the things I hate.  Smoking and/or chewing definitely topped my list.  Also, saggy pants or flat billed ball caps.  Oh, and you can't forget the obnoxious drunk!  And last but not least, pretty much ANYTHING that Justin Bieber does right now... So, what do you think ladies?  What can a guy do that makes him instantly less attractive?  Here's what the Women's Sex Bible AKA "Cosmo" came up with:

1.  Aggressive or reckless driving.

2.  A soul patch or goatee.

3.  Wearing anything by Ed Hardy.

4.  Smoking.

5.  Calling all their friends "bro."

6.  Having no hobbies or interests.

7.  Not reading books.

8.  Bad manners.

9.  Bad grammar or spelling.

10.  Being rude to servers, bartenders, or people who work in retail.

11.  Swearing a lot.

12.  Indecisiveness.

13.  Wearing a Bluetooth headset everywhere.

14.  Wearing a fedora.

15.  Calling their ex "crazy."