Hi all..I've got an old friend.58yrs,5'5" Italian restaurant owner that we've been bugging to go to cardio Dr for years. Well.he smokes 2 pack a day.mediums..and gotta stop the Stix. Any experienced, newbies out there that have good,easy top fill tank I can get this man.maybe a tobacco juice.he's warming up to idea of vaping but He's not gonna stop the stix on his own and we don't wanna lose him...thy u for this