Hu Seng, from Chongqing city in southern China, decided to woo girlfriend Li Wang by posting himself to her office.
He asked a friend to tape him inside the box and paid an unsuspecting courier firm to transport it to Wang's office, where another friend was waiting to film the surprise.
Unfortunately, Seng's grand romantic gesture nearly ended in disaster when the delivery company mixed up the address and delayed the package.
Instead of spending 30 minutes in the sealed box, Seng, who had failed to make an airhole in the container's thick material, was trapped for three hours.
By the time his girlfriend received the package, the luckless Lothario had passed out from lack of oxygen and had to be revived by paramedics.
Nothing says 'I love you' like sending a loved one your cold, dead corpse.
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Surprise! It's my rotting corpse!