Finders Weepers

Micah (holding up a coin):  "Mom, can I keep this?"
Me:  "Yeah, sure."
Micah:  "WooHoo!  A quarter!! 25 cents!"
Me:  "Micah, it's a nickel."
Micah:  "WooHoo!  10 cents!"
Me:  "Uh, it's 5 cents, Micah."
Micah:  "Aww, man!"