James: [loud burp]
Mom: [waiting to hear "excuse me"]
James: [sniffing the air]
Mom: [watching surreptitiously]
James: Hey, Mom! Guess what! I can smell my burp!
Mom: [giving up on the manners] You can, huh?
James: Yep. Cool, huh?
Mom: Very cool.
James: I guess it's just one of my special talents.