With regard to the comment (paraphrasing) about why anyone would want to inhale some kind of substance,  well....some of us do.
Yes, it's sort of gross if you think about it, but if I am honest with myself (and you), one of the things I loved about smoking was the feeling of the smoke filling my lungs.  In some odd way, it became a kind of comforting feeling (this after 30 years smoking- I started at 13).  I couldn't care less about the nicotine, but that vapor filling my lungs is calming to me.
I never thought I would quit or wanted to quit, it came as a happy accident.  I am quite likely addicted to caffeine, and so I am as well with the nicotine.  That was never the issue to me (being addicted), but being addicted to something that will eventually kill me was.  And I was beginning to feel the effects of that addiction.  I don't feel the same need to vape as I did to smoke, but I still vape quite a bit and have naturally dropped my nic from 24 when I started down to 6.  I may eventually get to zero if my body tells me I need to, as it has for all the previous drops.
I do not plan to quit vaping, I don't intend to stop using nicotine.  It may happen, but I don't expect or desire it.