OMG...my Jack does the same thing. He goes nuts over soda cans and water bottles. For hours. The first thing he does with a water bottle is chew off the label. Then he chases it all over the house. We have to hid cans when we drink from them or Jack goes nuts! He came to us like this so the previous owners must have given him these. It is a stitch to watch and will keep him occupied forever. It is annoying though if you are watching TV so we just pump of the volumn!
