Talking of my GS, he started vaping when he moved in because we didn't allow smoking. He used my old gear for a while then got an MVP and Nautilus. He made a bit of pocket money selling my home made juice to his buddies. When he enlisted he started using those tobacco wads you hold in your cheek, because everyone there was doing it. Later he got back into vaping with disposables called Lost Mary. He left a couple of weeks ago on an aircraft carrier to an undisclosed destination, his plan was to quit cold turkey when they set sail.