If you had the chance to go back to grade school knowing what you know now- would you do it? You might want to for a few reasons. Maybe you’ve gained confidence and perspective as an adult and you wish you could go back and take a little less nonsense. Someone would try to give you a swirlie and you’d be like «I know this is misplaced anger on your end due to tough circumstances in your home life and I wish you the best but I won’t be a proxy for your rage.» And then you’d walk away and they’d be so confused that they would never bother you again. 

Or maybe you’d like to go back and tell your parents to buy some Apple stock and put it in your name so you’d be set as an adult. Or maybe you’d just like to go back to experience the 90s one more time.