Two twelve or thirteenish year old twins (with wildly different hair, so it took me a few minutes to notice) came in.
Twin #1: I have a question. It has stumped all other comic book store people. But I have faith in you.
Me: I hope I don't disappoint you.
Twin #1: Do you know what Flash issues Godspeed appears in?
I go over to my computer, and type Godspeed into Wikipedia.
Me: Yea, this one here. Lightning Strikes Twice.
Twin #1: YES!!!!
Twin #2: THEY HAVE WORLD WAR HULK!!!
(Legitimately, I've never heard anyone muster even 1/10th that enthusiasm for World War Hulk.)
Twin #1: Our mom is coming in with money soon.
I put books away for a bit.
Mom: You Both found the books you wanted. That's a first.
Twin #1: He knew right away.
Mom: Now the question is, do you have enough money in your account to buy it?
Twin #1: I think so.
Mom: Hmmm. You only have seven dollars in your account, and you owe me three from yesterday.
Twin #1: Oh. This is $17.99
Twin #2: I'll buy it for you.
Mom: You....oh wow, you have more than enough money
The twins turn towards each other, furiously embrace, and jump up and down.
Twin #1: Thank you thank you thank you thank you.
Twin #2: You're welcome you're welcome you're welcome.
Mom: Wow. Someone must have bought something from your store. There's another ten dollars in your account now.
Twin #1: Today is amazing!