
A husband's desperate attempt to catch his wife cheating using a homemade lie detector has backfired in spectacular fashion, leaving the internet in stitches.
The unnamed man, convinced his spouse was being unfaithful, rigged up a bizarre DIY contraption involving a fitness tracker and a mobile app to monitor her heart rate during questioning.
His theory? That her pulse would spike dramatically if she lied about an affair.
But the amateur sleuth's plan unraveled when his wife discovered the secret setup - and immediately called him out on his paranoid behavior.
"He spent weeks acting all suspicious," the wife told friends, "then I find this ridiculous gadget strapped to our bed frame. Turns out he's the one who needs to be watched!"
The story went viral after the embarrassed husband confessed his failed experiment on a relationship forum, where users mercilessly mocked his "Mission Impossible-level fail."
How the DIY sting operation failed:
- The fitness tracker kept falling off during 'interrogations'
- Background noise skewed the heart rate readings
- His nervous sweating triggered false positives
- The app crashed repeatedly during crucial moments
Relationship experts warn such extreme measures often reflect deeper trust issues, with one counselor noting: "If you're MacGyver-ing surveillance gear, your marriage already needs professional help."
The chastened husband has since apologized, though internet commentators remain divided - with some praising his creativity while others call it "the most pathetic spy attempt ever."