nothin'. they are happy if they can get away with their lives : )
Indeed fear is the best motivator.

Just scare the sheat out of them and they'll do anything for you

They'r teen gals mostly, it's pretty easy to intimidate them : )))
nice attitude. remind me to remind my nieces about photographers like you....
Lol, Americans...
Edited for replying under the wrong post
I'm Canadian...
Even worse, as an American you'd at least have an excuse for not understanding humour that's a bit more demanding to get than dumb&dumber, american pie and all of the like comedies they make. Actually the vast majority of the comedies they make so that even a 10 year old 100 kg inbred kid gets it. No child left behind, right? (like in their school system, cause you're Canadian) I mean no one should be offended for not getting something, that's why health and safety ppl put all those idiotic warnings everywhere, usually for warning ppl not to eat something no one in his eight mind would think of eating. Check this to better understand it