when you want someone to do something, take your phone and say "do it for the vine" while recording him, then he'll do it because of the "social" pressure.
rebecca: "hey dude, someone told me you know how to wiggle wiggle like anyone else"
mike: "are you kidding? there is no way
rebecca: "do it"
mike: "no"
rebecca: "do it! do it! Do it for the vine!"
mike wiggleing... ;)