A father buys a lie detector robot that slaps you when you lie. He decides to test it out on his son at supper. Dad says: "Where were you last night?" Son says: "I was at the library."

A father buys a lie detector robot that slaps you when you lie. He decides to test it out on his son at supper.

Dad says: "Where were you last night?"

Son says: "I was at the library."

The robot instantly slaps the son across the face.

Dad looks at the son, raises an eyebrow, and says, “Hmm... are you sure you were at the library?”

The son, rubbing his cheek, says, “Okay, okay! I was at Tim’s house. We were studying!”

The robot slaps him again.

Dad is now getting suspicious. “Really? Studying at Tim’s house?”

The son sighs in defeat, “Fine! We were playing video games all night!”

The robot slaps him again.

Dad, now feeling a little guilty, turns to the robot and says, "Well, looks like we’ve got a troublemaker here."

Suddenly, the robot looks at the father and says, "And you, sir, how many times have you told your wife you'd ‘fix the sink’ this week?"

WHAM!

Dad stares in disbelief as the robot slaps him across the face.

The son grins, “Looks like you’ve got some explaining to do, too, old man.”