Japanese lingerie maker- Ravijour, has released a smart bra called True Love Tester that can only be unhooked if the user is truly in love.
This bra have censors that feeds the heart rate of the person wearing it to a smartphone application via Bluetooth; The application examines the heart rate of the wearer and decides whether to unhook the bra or not. The smart bra gets unlocked automatically when the ‘true love rate’ exceeds a certain value.
So whoever doubted the magic of true love, try this.