Setting a Good Example...

Is it a case of do what I do, not what I say in your house? Sometimes it is here, however good our intentions. 
You know the kind of thing, making the kids sit at the table for supper then eating a takeaway off our knees when they're not looking. Telling them to get some exercise/save their pocketmoney/be kind and then finding yourself saying "sod it" and not bothering with any of that.  How important is it, do you think? Is an example the best thing we can give our kids? Or is it better that they see a whole human, flaws and all?  I'm fairly sure having good role models that - in end and most of the time - do the right thing is better than the alternative.  Lately I've spotted a couple of campaigns on this same subject - and they're fairly persuasive. The Scottish Government's Kids in the Car campaign  The FA's Respect the Technology campaign And the apparently banned ad from Australia which is most compelling Do you think it's really as simple as that?