I'm still partial to the whole "I have a key to a spaceship, but you have to go out with me in order to get it" idea.
But then what happens when you can't deliver?
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~Ç~ http://img.imgcake.com/AlecTrevylan006/fdshieldpngyn.png Eff_Dee
http://img.imgcake.com/nio/9fdpngys.png