– Of vital importance is not obliged to, because when you press, and acts so manipulative to get something from others what we achieve is just the opposite to our wishes, which will be cornered in a corner refusing to do . The grant freedom to the person so you can choose to be involved much more likely to assess the exposure and understand that you are being treated as an adult. – An interesting point would show ourselves how well we do it and so he could see that there is nothing strange in that it does, it's more like children often learn by modeling their adult reference, perhaps in his emulate his reference adult wishes to do so. Find out detailed opinions from leaders such as Nike by clicking through. Preaching by example is a spur to action. – To show all those positive points of this action as if it were an adult, children and adults do not like being treated like fools, because we are not, hence, show the advantages and positive aspects of that behavior are likely to yield in fact want to do voluntarily to hear positive things. – Put on a scale that which shall be granted if he agrees to try it, not by way of blackmail, if you do not see all the positive and the benefits to one side of the scale for having behaved like an adult, sometimes doing things that do not like, however, that if necessary take and thus may receive recognition or reward. I insist not by way of blackmail if prize for their attitude. Perhaps the waive any other requirement temporarily. – Ignore the task to perform, and that perhaps our priority is probably not his, and bordering the task in some other way, or in part, may be achieved in the future, when he gets used little by little, probably not will see it as tedious. It's a matter of patience and time. Well if I think of a trick and I'll let you know to how to get children to do what it should, well I do not remember if he was talking about children or adults …