“Feeling guilty, I suggest he finish the Coke and I could just keep the empty bottle. He was even more horrified by this idea, so we eventually decide to just dump the rest of the Coke down the ...

The Coke bottle’s owner explained what happened in a Reddit post (Getty Images) ...

The friend then realized why his soda was “so flat” before becoming “understandably horrified.” “Feeling guilty, I suggest he finish the Coke and I could just keep the empty bottle. He was even more ...