I enjoy spending money on things other than stinky, addictive substances
Dual use status was trichotomized as predominant smoking (if reported smoking every day and using e-cigarettes some days), equivalent use (smoking and using e-cigarettes every day, or smoking and using e-cigarettes some days), and predominant e-cigarette use (smoking some days and using e-cigarettes every day)
There is never any pressure to rush
Thats because humans brains are still developing into their mid-20s, gaining the skills to make wise long-term decisions and resist the pleasure signals that addictive substances send
This is a view that has grown over time among smokers who have not tried an e-cigarette with 25 percent holding this opinion in 2016. In the USA, the perception among smokers that e-cigarettes were as, or more harmful than, cigarettes jumped from 11.7 percent in 2012 to 35 percent in 2015 while a belief that e-cigarettes were addictive went from 25.3 percent to 56 percent