So as the title says I just introduced my coworker to vaping so he's still in that phase where he'll still smoke but I have noticed he's cut back. Anyways I had given him a vision spinner 2 with a I clear tank and some bottles of 12 mg juice. Within a week he bought himself a aspire sub ohm battery with a atlantis 2 and said he was using 18 mg juice. Obviously this is too high he won't listen when I tell him to lower to around 6. He thinks it's less nic. I'm concerned something will happen