怎样让对方容易的说Yes

参加了一个演讲,听到这么一段话，

The best way to get a kid to go to bed is don't ask them if they want to go to bed, ask them what color jammies they want to wear(想让孩子去睡觉的最好方法,不是去问他想上床,而应该问他想穿什么睡衣的好)

简单而言，想让对方容易的说Yes的话，不是单纯的正面出击，讲一点迂回策略的好。