"You forgot to do the single most important thing to do when persuading someone to go along with your idea. You didn't describe the experience from her point of view. You didn't tell her what an amazing opportunity it would be for her. You didn't show her how much fun it would be to work with you, and to do the shoot, and how much she would value having that great photo of her for years to come."
yes i will never be a sales person :D
the name of the photo is great :)
I actually apply this lesson to actual business sales calls as well as to how I present any proposal that I make with other people. One side effect is that it forces me to think through any proposed experience from their point of view, which (hopefully) fosters more empathy. So ultimately, it's not strictly advice on selling, but on truly connecting.