"The more we learn, the more amazed we are by the wealth of essential substances they contain," Van Horn continues, "and how they interact with each other to keep us healthy."
Make eye contact with the people passing, nod to them, gesture keen interest in talking to them at a later time, point to your phone, shrug and move on.
But, he worries, if tourism isn't managed and his fellow locals continue to move to the mainland, his generation might be the last who can call themselves native Venetians.
We know that around half of smokers die early due to smoking-related illnesses, so forcing oneself to quit is better for the health than continuing to smoke.