“Never again” is a phrase that you should utter with decreasing frequency as you mature: You should learn from your mistakes.  When you’re a kid, the world is full of sparkly phenomena, and you have not yet accrued enough disappointments to employ skepticism in investigating the seemingly endless sources of sparkle.  When you’re nine-years-old, for instance, you may not have yet learned that candied apples are detestable pieces of shit.