The word challenge has SOOOOOO many different posiible implications. Dictionary definintion lists over 8 possible definitions in context.
Ladiies do you like a guy who is a challenge? If yes, when do you know he's a challenge right away or it takes some time to peice togather? Finally what have guys done SPECIFICALLY in the past that let you know they were a challenge and were going to be fun for you to get to know?