Things I've Learned From Comics, #452:

If you're going to tell a cute, tiny, slightly demented little sidekick he can't come along to save the city, while you're in a flying car situated about a foot away from the rooftop he's standing on, many many stories above the ground...

Make sure you've rolled up the passenger side window first.



(From JSA Returns: "A Terrifying Hour", because little Sandy Hawkins doesn't take no for an answer.)