Have you ever eavesdropped on other parents on the playground? Don’t they sound, rather, er, wishy-washy sometimes? “Sophie, we don’t throw sand at our friends, okay?” Or, “Declan, it’s time to go now, okay?” Or, “Madge, leave that dog poop alone, okay? Poop is yucky, okay?”
Source: LifeHacker – Stop Saying “Okay?” After Every Instruction You Give a Child