Should You Make Your Defiant Teen "Earn" His Way Off Discipline?

Hi L., This is Mark, and I’ve responded where you see these arrows: >>>>>>>>> Thanks for your answer Mark. I really appreciate how quickly you respond. You must get hundreds of emails every day from desperate parents! Re the fighting: I understand what you are saying and I agree with your analysis. This is what we did for many years when E___ was very small. I never felt safe leaving the 2 kids alone. The last few days I have been successful in keeping my 'poker face' although i see that I have to work on being consistent and keeping to the said consequence. Here is a scenario that just played out. My kids say I am being unfair. Could you please give me some feedback and any advice? This afternoon I was taking my kids B___ 11 yo (the intense one) and E___ 7 yo to the grocery store and said we would get an ice cream. >>>>>>>>>> What did they do to earn this privilege (i.e., ice cream)? As I stopped for...