From the time we are little kids, we live in a world of no. No dessert until you finish your vegetables. No, you didn’t clean your room. There’s a lot of big f

From the time we are little kids, we live in a world of no. No dessert until you finish your vegetables. No, you didn’t clean your room. There’s a lot of big frustration around such a little word. Ironically, a lot of current parenting advice is to deal with children exactly how the OP proceeds to suggest one should deal with clients: Phrase the request in positive terms - as in "Yes, you can have dessert once you have finished your food" and "Yes, you can definitely go out and play once you have cleaned up your room - shall we figure out how to do this quickly?".